Home / 12,461.24-18,691.68-3,702.08

Finding the Fourth Proportional to 12,461.24, 18,691.68 and 3,702.08

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Solution

The fourth proportional to 12,461.24, 18,691.68 and 3,702.08 is: 5,553.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.24 : 18,691.68 = 3,702.08 : x
  2. Step 2: Convert to fraction form
    12,461.24/18,691.68 = 3,702.08/x
  3. Step 3: Cross multiply
    12,461.24x = 18,691.68 × 3,702.08
  4. Step 4: Simplify right side
    12,461.24x = 69,198,094.69
  5. Step 5: Solve for x
    x = 69,198,094.69/12,461.24
  6. Step 6: Final answer
    x = 5,553.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.