Home / 10,179.12-14,049.90-9,559.56

Finding the Fourth Proportional to 10,179.12, 14,049.90 and 9,559.56

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Solution

The fourth proportional to 10,179.12, 14,049.90 and 9,559.56 is: 13,194.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.12 : 14,049.90 = 9,559.56 : x
  2. Step 2: Convert to fraction form
    10,179.12/14,049.90 = 9,559.56/x
  3. Step 3: Cross multiply
    10,179.12x = 14,049.90 × 9,559.56
  4. Step 4: Simplify right side
    10,179.12x = 134,310,862.04
  5. Step 5: Solve for x
    x = 134,310,862.04/10,179.12
  6. Step 6: Final answer
    x = 13,194.74

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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.