Home / 9,176.46-12,650.18-6,782.90

Finding the Fourth Proportional to 9,176.46, 12,650.18 and 6,782.90

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Solution

The fourth proportional to 9,176.46, 12,650.18 and 6,782.90 is: 9,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.46 : 12,650.18 = 6,782.90 : x
  2. Step 2: Convert to fraction form
    9,176.46/12,650.18 = 6,782.90/x
  3. Step 3: Cross multiply
    9,176.46x = 12,650.18 × 6,782.90
  4. Step 4: Simplify right side
    9,176.46x = 85,804,905.92
  5. Step 5: Solve for x
    x = 85,804,905.92/9,176.46
  6. Step 6: Final answer
    x = 9,350.55

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.