Home / 8,925.42-12,306.15-7,242.06

Finding the Fourth Proportional to 8,925.42, 12,306.15 and 7,242.06

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Solution

The fourth proportional to 8,925.42, 12,306.15 and 7,242.06 is: 9,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,925.42 : 12,306.15 = 7,242.06 : x
  2. Step 2: Convert to fraction form
    8,925.42/12,306.15 = 7,242.06/x
  3. Step 3: Cross multiply
    8,925.42x = 12,306.15 × 7,242.06
  4. Step 4: Simplify right side
    8,925.42x = 89,121,876.67
  5. Step 5: Solve for x
    x = 89,121,876.67/8,925.42
  6. Step 6: Final answer
    x = 9,985.17

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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.