Home / 7,931.33-10,932.53-6,249.95

Finding the Fourth Proportional to 7,931.33, 10,932.53 and 6,249.95

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Solution

The fourth proportional to 7,931.33, 10,932.53 and 6,249.95 is: 8,614.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.33 : 10,932.53 = 6,249.95 : x
  2. Step 2: Convert to fraction form
    7,931.33/10,932.53 = 6,249.95/x
  3. Step 3: Cross multiply
    7,931.33x = 10,932.53 × 6,249.95
  4. Step 4: Simplify right side
    7,931.33x = 68,327,679.96
  5. Step 5: Solve for x
    x = 68,327,679.96/7,931.33
  6. Step 6: Final answer
    x = 8,614.91

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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.