Home / 10,030.72-13,845.20-5,839.80

Finding the Fourth Proportional to 10,030.72, 13,845.20 and 5,839.80

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Solution

The fourth proportional to 10,030.72, 13,845.20 and 5,839.80 is: 8,060.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.72 : 13,845.20 = 5,839.80 : x
  2. Step 2: Convert to fraction form
    10,030.72/13,845.20 = 5,839.80/x
  3. Step 3: Cross multiply
    10,030.72x = 13,845.20 × 5,839.80
  4. Step 4: Simplify right side
    10,030.72x = 80,853,198.96
  5. Step 5: Solve for x
    x = 80,853,198.96/10,030.72
  6. Step 6: Final answer
    x = 8,060.56

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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.