Home / 8,381.68-11,565.45-5,023.76

Finding the Fourth Proportional to 8,381.68, 11,565.45 and 5,023.76

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Solution

The fourth proportional to 8,381.68, 11,565.45 and 5,023.76 is: 6,932.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.68 : 11,565.45 = 5,023.76 : x
  2. Step 2: Convert to fraction form
    8,381.68/11,565.45 = 5,023.76/x
  3. Step 3: Cross multiply
    8,381.68x = 11,565.45 × 5,023.76
  4. Step 4: Simplify right side
    8,381.68x = 58,101,987.26
  5. Step 5: Solve for x
    x = 58,101,987.26/8,381.68
  6. Step 6: Final answer
    x = 6,932.02

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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.