Home / 9,923.52-13,693.92-5,731.68

Finding the Fourth Proportional to 9,923.52, 13,693.92 and 5,731.68

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Solution

The fourth proportional to 9,923.52, 13,693.92 and 5,731.68 is: 7,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,923.52 : 13,693.92 = 5,731.68 : x
  2. Step 2: Convert to fraction form
    9,923.52/13,693.92 = 5,731.68/x
  3. Step 3: Cross multiply
    9,923.52x = 13,693.92 × 5,731.68
  4. Step 4: Simplify right side
    9,923.52x = 78,489,167.39
  5. Step 5: Solve for x
    x = 78,489,167.39/9,923.52
  6. Step 6: Final answer
    x = 7,909.41

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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.