Home / 10,393.06-15,580-4,151.56

Finding the Fourth Proportional to 10,393.06, 15,580 and 4,151.56

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Solution

The fourth proportional to 10,393.06, 15,580 and 4,151.56 is: 6,223.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.06 : 15,580 = 4,151.56 : x
  2. Step 2: Convert to fraction form
    10,393.06/15,580 = 4,151.56/x
  3. Step 3: Cross multiply
    10,393.06x = 15,580 × 4,151.56
  4. Step 4: Simplify right side
    10,393.06x = 64,681,304.80
  5. Step 5: Solve for x
    x = 64,681,304.80/10,393.06
  6. Step 6: Final answer
    x = 6,223.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.