Home / 11,158.45-15,398.38-6,122.62

Finding the Fourth Proportional to 11,158.45, 15,398.38 and 6,122.62

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Solution

The fourth proportional to 11,158.45, 15,398.38 and 6,122.62 is: 8,449.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.45 : 15,398.38 = 6,122.62 : x
  2. Step 2: Convert to fraction form
    11,158.45/15,398.38 = 6,122.62/x
  3. Step 3: Cross multiply
    11,158.45x = 15,398.38 × 6,122.62
  4. Step 4: Simplify right side
    11,158.45x = 94,278,429.36
  5. Step 5: Solve for x
    x = 94,278,429.36/11,158.45
  6. Step 6: Final answer
    x = 8,449.06

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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.