Home / 7,499.92-11,249.88-4,539.10

Finding the Fourth Proportional to 7,499.92, 11,249.88 and 4,539.10

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Solution

The fourth proportional to 7,499.92, 11,249.88 and 4,539.10 is: 6,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.92 : 11,249.88 = 4,539.10 : x
  2. Step 2: Convert to fraction form
    7,499.92/11,249.88 = 4,539.10/x
  3. Step 3: Cross multiply
    7,499.92x = 11,249.88 × 4,539.10
  4. Step 4: Simplify right side
    7,499.92x = 51,064,330.31
  5. Step 5: Solve for x
    x = 51,064,330.31/7,499.92
  6. Step 6: Final answer
    x = 6,808.65

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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.