Home / 8,377.89-11,561.03-4,601.55

Finding the Fourth Proportional to 8,377.89, 11,561.03 and 4,601.55

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Solution

The fourth proportional to 8,377.89, 11,561.03 and 4,601.55 is: 6,349.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.89 : 11,561.03 = 4,601.55 : x
  2. Step 2: Convert to fraction form
    8,377.89/11,561.03 = 4,601.55/x
  3. Step 3: Cross multiply
    8,377.89x = 11,561.03 × 4,601.55
  4. Step 4: Simplify right side
    8,377.89x = 53,198,646.09
  5. Step 5: Solve for x
    x = 53,198,646.09/8,377.89
  6. Step 6: Final answer
    x = 6,349.89

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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.