Home / 11,158.38-15,398.16-6,122.46

Finding the Fourth Proportional to 11,158.38, 15,398.16 and 6,122.46

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Solution

The fourth proportional to 11,158.38, 15,398.16 and 6,122.46 is: 8,448.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.38 : 15,398.16 = 6,122.46 : x
  2. Step 2: Convert to fraction form
    11,158.38/15,398.16 = 6,122.46/x
  3. Step 3: Cross multiply
    11,158.38x = 15,398.16 × 6,122.46
  4. Step 4: Simplify right side
    11,158.38x = 94,274,618.67
  5. Step 5: Solve for x
    x = 94,274,618.67/11,158.38
  6. Step 6: Final answer
    x = 8,448.77

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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.