Home / 9,366.20-12,924.42-5,174.18

Finding the Fourth Proportional to 9,366.20, 12,924.42 and 5,174.18

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Solution

The fourth proportional to 9,366.20, 12,924.42 and 5,174.18 is: 7,139.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.20 : 12,924.42 = 5,174.18 : x
  2. Step 2: Convert to fraction form
    9,366.20/12,924.42 = 5,174.18/x
  3. Step 3: Cross multiply
    9,366.20x = 12,924.42 × 5,174.18
  4. Step 4: Simplify right side
    9,366.20x = 66,873,275.48
  5. Step 5: Solve for x
    x = 66,873,275.48/9,366.20
  6. Step 6: Final answer
    x = 7,139.85

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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.