Home / 9,119.38-13,685.22-3,572.03

Finding the Fourth Proportional to 9,119.38, 13,685.22 and 3,572.03

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Solution

The fourth proportional to 9,119.38, 13,685.22 and 3,572.03 is: 5,360.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.38 : 13,685.22 = 3,572.03 : x
  2. Step 2: Convert to fraction form
    9,119.38/13,685.22 = 3,572.03/x
  3. Step 3: Cross multiply
    9,119.38x = 13,685.22 × 3,572.03
  4. Step 4: Simplify right side
    9,119.38x = 48,884,065.68
  5. Step 5: Solve for x
    x = 48,884,065.68/9,119.38
  6. Step 6: Final answer
    x = 5,360.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.