Home / 11,446.60-17,141.10-7,529.80

Finding the Fourth Proportional to 11,446.60, 17,141.10 and 7,529.80

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Solution

The fourth proportional to 11,446.60, 17,141.10 and 7,529.80 is: 11,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446.60 : 17,141.10 = 7,529.80 : x
  2. Step 2: Convert to fraction form
    11,446.60/17,141.10 = 7,529.80/x
  3. Step 3: Cross multiply
    11,446.60x = 17,141.10 × 7,529.80
  4. Step 4: Simplify right side
    11,446.60x = 129,069,054.78
  5. Step 5: Solve for x
    x = 129,069,054.78/11,446.60
  6. Step 6: Final answer
    x = 11,275.75

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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.