Home / 8,442.76-11,650.98-4,666.12

Finding the Fourth Proportional to 8,442.76, 11,650.98 and 4,666.12

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Solution

The fourth proportional to 8,442.76, 11,650.98 and 4,666.12 is: 6,439.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.76 : 11,650.98 = 4,666.12 : x
  2. Step 2: Convert to fraction form
    8,442.76/11,650.98 = 4,666.12/x
  3. Step 3: Cross multiply
    8,442.76x = 11,650.98 × 4,666.12
  4. Step 4: Simplify right side
    8,442.76x = 54,364,870.80
  5. Step 5: Solve for x
    x = 54,364,870.80/8,442.76
  6. Step 6: Final answer
    x = 6,439.23

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Double scale
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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.