Home / 10,732.65-16,102.47-5,186.64

Finding the Fourth Proportional to 10,732.65, 16,102.47 and 5,186.64

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Solution

The fourth proportional to 10,732.65, 16,102.47 and 5,186.64 is: 7,781.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,732.65 : 16,102.47 = 5,186.64 : x
  2. Step 2: Convert to fraction form
    10,732.65/16,102.47 = 5,186.64/x
  3. Step 3: Cross multiply
    10,732.65x = 16,102.47 × 5,186.64
  4. Step 4: Simplify right side
    10,732.65x = 83,517,715.00
  5. Step 5: Solve for x
    x = 83,517,715.00/10,732.65
  6. Step 6: Final answer
    x = 7,781.65

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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.