Home / 7,446.20-11,177.40-4,165.70

Finding the Fourth Proportional to 7,446.20, 11,177.40 and 4,165.70

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Solution

The fourth proportional to 7,446.20, 11,177.40 and 4,165.70 is: 6,253.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.20 : 11,177.40 = 4,165.70 : x
  2. Step 2: Convert to fraction form
    7,446.20/11,177.40 = 4,165.70/x
  3. Step 3: Cross multiply
    7,446.20x = 11,177.40 × 4,165.70
  4. Step 4: Simplify right side
    7,446.20x = 46,561,695.18
  5. Step 5: Solve for x
    x = 46,561,695.18/7,446.20
  6. Step 6: Final answer
    x = 6,253.08

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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.