Home / 8,340.75-11,510.24-5,196.94

Finding the Fourth Proportional to 8,340.75, 11,510.24 and 5,196.94

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Solution

The fourth proportional to 8,340.75, 11,510.24 and 5,196.94 is: 7,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.75 : 11,510.24 = 5,196.94 : x
  2. Step 2: Convert to fraction form
    8,340.75/11,510.24 = 5,196.94/x
  3. Step 3: Cross multiply
    8,340.75x = 11,510.24 × 5,196.94
  4. Step 4: Simplify right side
    8,340.75x = 59,817,971.91
  5. Step 5: Solve for x
    x = 59,817,971.91/8,340.75
  6. Step 6: Final answer
    x = 7,171.77

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Find fourth proportional to 4,170.38, 5,755.12 and 2,598.47
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.