Home / 7,456.12-11,184.18-7,292.10

Finding the Fourth Proportional to 7,456.12, 11,184.18 and 7,292.10

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Solution

The fourth proportional to 7,456.12, 11,184.18 and 7,292.10 is: 10,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.12 : 11,184.18 = 7,292.10 : x
  2. Step 2: Convert to fraction form
    7,456.12/11,184.18 = 7,292.10/x
  3. Step 3: Cross multiply
    7,456.12x = 11,184.18 × 7,292.10
  4. Step 4: Simplify right side
    7,456.12x = 81,556,158.98
  5. Step 5: Solve for x
    x = 81,556,158.98/7,456.12
  6. Step 6: Final answer
    x = 10,938.15

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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.