Home / 10,291.92-15,437.88-3,366.48

Finding the Fourth Proportional to 10,291.92, 15,437.88 and 3,366.48

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Solution

The fourth proportional to 10,291.92, 15,437.88 and 3,366.48 is: 5,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.92 : 15,437.88 = 3,366.48 : x
  2. Step 2: Convert to fraction form
    10,291.92/15,437.88 = 3,366.48/x
  3. Step 3: Cross multiply
    10,291.92x = 15,437.88 × 3,366.48
  4. Step 4: Simplify right side
    10,291.92x = 51,971,314.26
  5. Step 5: Solve for x
    x = 51,971,314.26/10,291.92
  6. Step 6: Final answer
    x = 5,049.72

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1.5x scale

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.