Home / 9,340.20-14,010.30-8,627.40

Finding the Fourth Proportional to 9,340.20, 14,010.30 and 8,627.40

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Solution

The fourth proportional to 9,340.20, 14,010.30 and 8,627.40 is: 12,941.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,340.20 : 14,010.30 = 8,627.40 : x
  2. Step 2: Convert to fraction form
    9,340.20/14,010.30 = 8,627.40/x
  3. Step 3: Cross multiply
    9,340.20x = 14,010.30 × 8,627.40
  4. Step 4: Simplify right side
    9,340.20x = 120,872,462.22
  5. Step 5: Solve for x
    x = 120,872,462.22/9,340.20
  6. Step 6: Final answer
    x = 12,941.10

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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.