Home / 8,340.75-11,510.28-4,803.93

Finding the Fourth Proportional to 8,340.75, 11,510.28 and 4,803.93

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Solution

The fourth proportional to 8,340.75, 11,510.28 and 4,803.93 is: 6,629.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.75 : 11,510.28 = 4,803.93 : x
  2. Step 2: Convert to fraction form
    8,340.75/11,510.28 = 4,803.93/x
  3. Step 3: Cross multiply
    8,340.75x = 11,510.28 × 4,803.93
  4. Step 4: Simplify right side
    8,340.75x = 55,294,579.40
  5. Step 5: Solve for x
    x = 55,294,579.40/8,340.75
  6. Step 6: Final answer
    x = 6,629.45

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Half scale
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Double scale
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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.