Home / 7,872.26-10,862.55-4,468.73

Finding the Fourth Proportional to 7,872.26, 10,862.55 and 4,468.73

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Solution

The fourth proportional to 7,872.26, 10,862.55 and 4,468.73 is: 6,166.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,872.26 : 10,862.55 = 4,468.73 : x
  2. Step 2: Convert to fraction form
    7,872.26/10,862.55 = 4,468.73/x
  3. Step 3: Cross multiply
    7,872.26x = 10,862.55 × 4,468.73
  4. Step 4: Simplify right side
    7,872.26x = 48,541,748.75
  5. Step 5: Solve for x
    x = 48,541,748.75/7,872.26
  6. Step 6: Final answer
    x = 6,166.18

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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.