Home / 11,065.20-16,597.80-9,971.70

Finding the Fourth Proportional to 11,065.20, 16,597.80 and 9,971.70

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Solution

The fourth proportional to 11,065.20, 16,597.80 and 9,971.70 is: 14,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,065.20 : 16,597.80 = 9,971.70 : x
  2. Step 2: Convert to fraction form
    11,065.20/16,597.80 = 9,971.70/x
  3. Step 3: Cross multiply
    11,065.20x = 16,597.80 × 9,971.70
  4. Step 4: Simplify right side
    11,065.20x = 165,508,282.26
  5. Step 5: Solve for x
    x = 165,508,282.26/11,065.20
  6. Step 6: Final answer
    x = 14,957.55

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Similar ratio
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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.