Home / 10,649.98-15,974.99-10,634.59

Finding the Fourth Proportional to 10,649.98, 15,974.99 and 10,634.59

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Solution

The fourth proportional to 10,649.98, 15,974.99 and 10,634.59 is: 15,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.98 : 15,974.99 = 10,634.59 : x
  2. Step 2: Convert to fraction form
    10,649.98/15,974.99 = 10,634.59/x
  3. Step 3: Cross multiply
    10,649.98x = 15,974.99 × 10,634.59
  4. Step 4: Simplify right side
    10,649.98x = 169,887,475.58
  5. Step 5: Solve for x
    x = 169,887,475.58/10,649.98
  6. Step 6: Final answer
    x = 15,951.90

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Half scale
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Double scale
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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.