Home / 8,931.52-13,399.50-6,304.15

Finding the Fourth Proportional to 8,931.52, 13,399.50 and 6,304.15

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Solution

The fourth proportional to 8,931.52, 13,399.50 and 6,304.15 is: 9,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.52 : 13,399.50 = 6,304.15 : x
  2. Step 2: Convert to fraction form
    8,931.52/13,399.50 = 6,304.15/x
  3. Step 3: Cross multiply
    8,931.52x = 13,399.50 × 6,304.15
  4. Step 4: Simplify right side
    8,931.52x = 84,472,457.93
  5. Step 5: Solve for x
    x = 84,472,457.93/8,931.52
  6. Step 6: Final answer
    x = 9,457.79

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1.5x scale

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.