Home / 11,375.92-15,695.40-11,000.08

Finding the Fourth Proportional to 11,375.92, 15,695.40 and 11,000.08

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Solution

The fourth proportional to 11,375.92, 15,695.40 and 11,000.08 is: 15,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,375.92 : 15,695.40 = 11,000.08 : x
  2. Step 2: Convert to fraction form
    11,375.92/15,695.40 = 11,000.08/x
  3. Step 3: Cross multiply
    11,375.92x = 15,695.40 × 11,000.08
  4. Step 4: Simplify right side
    11,375.92x = 172,650,655.63
  5. Step 5: Solve for x
    x = 172,650,655.63/11,375.92
  6. Step 6: Final answer
    x = 15,176.85

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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.