Home / 7,625.25-11,437.88-2,431.13

Finding the Fourth Proportional to 7,625.25, 11,437.88 and 2,431.13

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Solution

The fourth proportional to 7,625.25, 11,437.88 and 2,431.13 is: 3,646.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.25 : 11,437.88 = 2,431.13 : x
  2. Step 2: Convert to fraction form
    7,625.25/11,437.88 = 2,431.13/x
  3. Step 3: Cross multiply
    7,625.25x = 11,437.88 × 2,431.13
  4. Step 4: Simplify right side
    7,625.25x = 27,806,903.86
  5. Step 5: Solve for x
    x = 27,806,903.86/7,625.25
  6. Step 6: Final answer
    x = 3,646.69

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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.