Home / 8,343.18-11,513.61-4,617.18

Finding the Fourth Proportional to 8,343.18, 11,513.61 and 4,617.18

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Solution

The fourth proportional to 8,343.18, 11,513.61 and 4,617.18 is: 6,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.18 : 11,513.61 = 4,617.18 : x
  2. Step 2: Convert to fraction form
    8,343.18/11,513.61 = 4,617.18/x
  3. Step 3: Cross multiply
    8,343.18x = 11,513.61 × 4,617.18
  4. Step 4: Simplify right side
    8,343.18x = 53,160,409.82
  5. Step 5: Solve for x
    x = 53,160,409.82/8,343.18
  6. Step 6: Final answer
    x = 6,371.72

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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.