Home / 10,996.30-15,169.72-10,572.06

Finding the Fourth Proportional to 10,996.30, 15,169.72 and 10,572.06

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Solution

The fourth proportional to 10,996.30, 15,169.72 and 10,572.06 is: 14,584.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.30 : 15,169.72 = 10,572.06 : x
  2. Step 2: Convert to fraction form
    10,996.30/15,169.72 = 10,572.06/x
  3. Step 3: Cross multiply
    10,996.30x = 15,169.72 × 10,572.06
  4. Step 4: Simplify right side
    10,996.30x = 160,375,190.02
  5. Step 5: Solve for x
    x = 160,375,190.02/10,996.30
  6. Step 6: Final answer
    x = 14,584.47

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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.