Home / 8,916.15-12,306.36-5,932.11

Finding the Fourth Proportional to 8,916.15, 12,306.36 and 5,932.11

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Solution

The fourth proportional to 8,916.15, 12,306.36 and 5,932.11 is: 8,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.15 : 12,306.36 = 5,932.11 : x
  2. Step 2: Convert to fraction form
    8,916.15/12,306.36 = 5,932.11/x
  3. Step 3: Cross multiply
    8,916.15x = 12,306.36 × 5,932.11
  4. Step 4: Simplify right side
    8,916.15x = 73,002,681.22
  5. Step 5: Solve for x
    x = 73,002,681.22/8,916.15
  6. Step 6: Final answer
    x = 8,187.69

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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.