Home / 8,713.88-12,024.66-5,174.84

Finding the Fourth Proportional to 8,713.88, 12,024.66 and 5,174.84

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Solution

The fourth proportional to 8,713.88, 12,024.66 and 5,174.84 is: 7,140.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.88 : 12,024.66 = 5,174.84 : x
  2. Step 2: Convert to fraction form
    8,713.88/12,024.66 = 5,174.84/x
  3. Step 3: Cross multiply
    8,713.88x = 12,024.66 × 5,174.84
  4. Step 4: Simplify right side
    8,713.88x = 62,225,691.55
  5. Step 5: Solve for x
    x = 62,225,691.55/8,713.88
  6. Step 6: Final answer
    x = 7,140.99

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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.