Home / 10,956.87-15,101.24-8,726.13

Finding the Fourth Proportional to 10,956.87, 15,101.24 and 8,726.13

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Solution

The fourth proportional to 10,956.87, 15,101.24 and 8,726.13 is: 12,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.87 : 15,101.24 = 8,726.13 : x
  2. Step 2: Convert to fraction form
    10,956.87/15,101.24 = 8,726.13/x
  3. Step 3: Cross multiply
    10,956.87x = 15,101.24 × 8,726.13
  4. Step 4: Simplify right side
    10,956.87x = 131,775,339.77
  5. Step 5: Solve for x
    x = 131,775,339.77/10,956.87
  6. Step 6: Final answer
    x = 12,026.73

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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.