Home / 10,366.20-15,551.33-4,125.15

Finding the Fourth Proportional to 10,366.20, 15,551.33 and 4,125.15

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Solution

The fourth proportional to 10,366.20, 15,551.33 and 4,125.15 is: 6,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.20 : 15,551.33 = 4,125.15 : x
  2. Step 2: Convert to fraction form
    10,366.20/15,551.33 = 4,125.15/x
  3. Step 3: Cross multiply
    10,366.20x = 15,551.33 × 4,125.15
  4. Step 4: Simplify right side
    10,366.20x = 64,151,548.32
  5. Step 5: Solve for x
    x = 64,151,548.32/10,366.20
  6. Step 6: Final answer
    x = 6,188.53

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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.