Home / 11,251.86-15,524.28-7,275.30

Finding the Fourth Proportional to 11,251.86, 15,524.28 and 7,275.30

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Solution

The fourth proportional to 11,251.86, 15,524.28 and 7,275.30 is: 10,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,251.86 : 15,524.28 = 7,275.30 : x
  2. Step 2: Convert to fraction form
    11,251.86/15,524.28 = 7,275.30/x
  3. Step 3: Cross multiply
    11,251.86x = 15,524.28 × 7,275.30
  4. Step 4: Simplify right side
    11,251.86x = 112,943,794.28
  5. Step 5: Solve for x
    x = 112,943,794.28/11,251.86
  6. Step 6: Final answer
    x = 10,037.79

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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.