Home / 10,715.17-14,787.62-5,999.71

Finding the Fourth Proportional to 10,715.17, 14,787.62 and 5,999.71

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Solution

The fourth proportional to 10,715.17, 14,787.62 and 5,999.71 is: 8,279.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,715.17 : 14,787.62 = 5,999.71 : x
  2. Step 2: Convert to fraction form
    10,715.17/14,787.62 = 5,999.71/x
  3. Step 3: Cross multiply
    10,715.17x = 14,787.62 × 5,999.71
  4. Step 4: Simplify right side
    10,715.17x = 88,721,431.59
  5. Step 5: Solve for x
    x = 88,721,431.59/10,715.17
  6. Step 6: Final answer
    x = 8,279.98

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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.