Home / 11,158.56-15,398.55-6,122.76

Finding the Fourth Proportional to 11,158.56, 15,398.55 and 6,122.76

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Solution

The fourth proportional to 11,158.56, 15,398.55 and 6,122.76 is: 8,449.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.56 : 15,398.55 = 6,122.76 : x
  2. Step 2: Convert to fraction form
    11,158.56/15,398.55 = 6,122.76/x
  3. Step 3: Cross multiply
    11,158.56x = 15,398.55 × 6,122.76
  4. Step 4: Simplify right side
    11,158.56x = 94,281,626.00
  5. Step 5: Solve for x
    x = 94,281,626.00/11,158.56
  6. Step 6: Final answer
    x = 8,449.26

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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.