Home / 10,956.71-15,122.15-10,592.21

Finding the Fourth Proportional to 10,956.71, 15,122.15 and 10,592.21

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Solution

The fourth proportional to 10,956.71, 15,122.15 and 10,592.21 is: 14,619.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.71 : 15,122.15 = 10,592.21 : x
  2. Step 2: Convert to fraction form
    10,956.71/15,122.15 = 10,592.21/x
  3. Step 3: Cross multiply
    10,956.71x = 15,122.15 × 10,592.21
  4. Step 4: Simplify right side
    10,956.71x = 160,176,859.88
  5. Step 5: Solve for x
    x = 160,176,859.88/10,956.71
  6. Step 6: Final answer
    x = 14,619.07

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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.