Home / 10,487.32-15,731.14-2,696.14

Finding the Fourth Proportional to 10,487.32, 15,731.14 and 2,696.14

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Solution

The fourth proportional to 10,487.32, 15,731.14 and 2,696.14 is: 4,044.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.32 : 15,731.14 = 2,696.14 : x
  2. Step 2: Convert to fraction form
    10,487.32/15,731.14 = 2,696.14/x
  3. Step 3: Cross multiply
    10,487.32x = 15,731.14 × 2,696.14
  4. Step 4: Simplify right side
    10,487.32x = 42,413,355.80
  5. Step 5: Solve for x
    x = 42,413,355.80/10,487.32
  6. Step 6: Final answer
    x = 4,044.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.