Home / 8,327.85-11,490.52-5,634.19

Finding the Fourth Proportional to 8,327.85, 11,490.52 and 5,634.19

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Solution

The fourth proportional to 8,327.85, 11,490.52 and 5,634.19 is: 7,773.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.85 : 11,490.52 = 5,634.19 : x
  2. Step 2: Convert to fraction form
    8,327.85/11,490.52 = 5,634.19/x
  3. Step 3: Cross multiply
    8,327.85x = 11,490.52 × 5,634.19
  4. Step 4: Simplify right side
    8,327.85x = 64,739,772.88
  5. Step 5: Solve for x
    x = 64,739,772.88/8,327.85
  6. Step 6: Final answer
    x = 7,773.89

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Half scale
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Double scale
Find fourth proportional to 8,328.85, 11,491.90 and 5,635.19
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.