Home / 8,925.24-12,318.35-5,147.73

Finding the Fourth Proportional to 8,925.24, 12,318.35 and 5,147.73

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Solution

The fourth proportional to 8,925.24, 12,318.35 and 5,147.73 is: 7,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.24 : 12,318.35 = 5,147.73 : x
  2. Step 2: Convert to fraction form
    8,925.24/12,318.35 = 5,147.73/x
  3. Step 3: Cross multiply
    8,925.24x = 12,318.35 × 5,147.73
  4. Step 4: Simplify right side
    8,925.24x = 63,411,522.90
  5. Step 5: Solve for x
    x = 63,411,522.90/8,925.24
  6. Step 6: Final answer
    x = 7,104.74

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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.