Home / 8,715.88-12,024.05-5,177.04

Finding the Fourth Proportional to 8,715.88, 12,024.05 and 5,177.04

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Solution

The fourth proportional to 8,715.88, 12,024.05 and 5,177.04 is: 7,142.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.88 : 12,024.05 = 5,177.04 : x
  2. Step 2: Convert to fraction form
    8,715.88/12,024.05 = 5,177.04/x
  3. Step 3: Cross multiply
    8,715.88x = 12,024.05 × 5,177.04
  4. Step 4: Simplify right side
    8,715.88x = 62,248,950.65
  5. Step 5: Solve for x
    x = 62,248,950.65/8,715.88
  6. Step 6: Final answer
    x = 7,142.02

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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.