Home / 8,325.91-11,489.88-4,549.15

Finding the Fourth Proportional to 8,325.91, 11,489.88 and 4,549.15

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Solution

The fourth proportional to 8,325.91, 11,489.88 and 4,549.15 is: 6,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.91 : 11,489.88 = 4,549.15 : x
  2. Step 2: Convert to fraction form
    8,325.91/11,489.88 = 4,549.15/x
  3. Step 3: Cross multiply
    8,325.91x = 11,489.88 × 4,549.15
  4. Step 4: Simplify right side
    8,325.91x = 52,269,187.60
  5. Step 5: Solve for x
    x = 52,269,187.60/8,325.91
  6. Step 6: Final answer
    x = 6,277.89

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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.