Home / 8,276.30-12,414.45-7,369.10

Finding the Fourth Proportional to 8,276.30, 12,414.45 and 7,369.10

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Solution

The fourth proportional to 8,276.30, 12,414.45 and 7,369.10 is: 11,053.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276.30 : 12,414.45 = 7,369.10 : x
  2. Step 2: Convert to fraction form
    8,276.30/12,414.45 = 7,369.10/x
  3. Step 3: Cross multiply
    8,276.30x = 12,414.45 × 7,369.10
  4. Step 4: Simplify right side
    8,276.30x = 91,483,323.50
  5. Step 5: Solve for x
    x = 91,483,323.50/8,276.30
  6. Step 6: Final answer
    x = 11,053.65

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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.