Home / 10,708.43-16,054.40-5,439.11

Finding the Fourth Proportional to 10,708.43, 16,054.40 and 5,439.11

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Solution

The fourth proportional to 10,708.43, 16,054.40 and 5,439.11 is: 8,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,708.43 : 16,054.40 = 5,439.11 : x
  2. Step 2: Convert to fraction form
    10,708.43/16,054.40 = 5,439.11/x
  3. Step 3: Cross multiply
    10,708.43x = 16,054.40 × 5,439.11
  4. Step 4: Simplify right side
    10,708.43x = 87,321,580.91
  5. Step 5: Solve for x
    x = 87,321,580.91/10,708.43
  6. Step 6: Final answer
    x = 8,154.47

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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.