Home / 8,326.67-11,490.57-4,549.72

Finding the Fourth Proportional to 8,326.67, 11,490.57 and 4,549.72

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Solution

The fourth proportional to 8,326.67, 11,490.57 and 4,549.72 is: 6,278.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.67 : 11,490.57 = 4,549.72 : x
  2. Step 2: Convert to fraction form
    8,326.67/11,490.57 = 4,549.72/x
  3. Step 3: Cross multiply
    8,326.67x = 11,490.57 × 4,549.72
  4. Step 4: Simplify right side
    8,326.67x = 52,278,847.41
  5. Step 5: Solve for x
    x = 52,278,847.41/8,326.67
  6. Step 6: Final answer
    x = 6,278.49

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