Home / 9,140.01-13,691.75-4,202.88

Finding the Fourth Proportional to 9,140.01, 13,691.75 and 4,202.88

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Solution

The fourth proportional to 9,140.01, 13,691.75 and 4,202.88 is: 6,295.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,140.01 : 13,691.75 = 4,202.88 : x
  2. Step 2: Convert to fraction form
    9,140.01/13,691.75 = 4,202.88/x
  3. Step 3: Cross multiply
    9,140.01x = 13,691.75 × 4,202.88
  4. Step 4: Simplify right side
    9,140.01x = 57,544,761.23
  5. Step 5: Solve for x
    x = 57,544,761.23/9,140.01
  6. Step 6: Final answer
    x = 6,295.92

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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.