Home / 11,011.19-15,195.45-6,295.57

Finding the Fourth Proportional to 11,011.19, 15,195.45 and 6,295.57

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Solution

The fourth proportional to 11,011.19, 15,195.45 and 6,295.57 is: 8,687.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.19 : 15,195.45 = 6,295.57 : x
  2. Step 2: Convert to fraction form
    11,011.19/15,195.45 = 6,295.57/x
  3. Step 3: Cross multiply
    11,011.19x = 15,195.45 × 6,295.57
  4. Step 4: Simplify right side
    11,011.19x = 95,664,034.90
  5. Step 5: Solve for x
    x = 95,664,034.90/11,011.19
  6. Step 6: Final answer
    x = 8,687.89

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Half scale
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Double scale
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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.