Home / 10,717.16-16,078.28-4,473.71

Finding the Fourth Proportional to 10,717.16, 16,078.28 and 4,473.71

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Solution

The fourth proportional to 10,717.16, 16,078.28 and 4,473.71 is: 6,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,717.16 : 16,078.28 = 4,473.71 : x
  2. Step 2: Convert to fraction form
    10,717.16/16,078.28 = 4,473.71/x
  3. Step 3: Cross multiply
    10,717.16x = 16,078.28 × 4,473.71
  4. Step 4: Simplify right side
    10,717.16x = 71,929,459.26
  5. Step 5: Solve for x
    x = 71,929,459.26/10,717.16
  6. Step 6: Final answer
    x = 6,711.61

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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.