Home / 11,227.08-15,490.24-7,248.36

Finding the Fourth Proportional to 11,227.08, 15,490.24 and 7,248.36

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Solution

The fourth proportional to 11,227.08, 15,490.24 and 7,248.36 is: 10,000.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.08 : 15,490.24 = 7,248.36 : x
  2. Step 2: Convert to fraction form
    11,227.08/15,490.24 = 7,248.36/x
  3. Step 3: Cross multiply
    11,227.08x = 15,490.24 × 7,248.36
  4. Step 4: Simplify right side
    11,227.08x = 112,278,836.01
  5. Step 5: Solve for x
    x = 112,278,836.01/11,227.08
  6. Step 6: Final answer
    x = 10,000.72

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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.