Home / 8,158.18-11,258.38-4,432.18

Finding the Fourth Proportional to 8,158.18, 11,258.38 and 4,432.18

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Solution

The fourth proportional to 8,158.18, 11,258.38 and 4,432.18 is: 6,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.18 : 11,258.38 = 4,432.18 : x
  2. Step 2: Convert to fraction form
    8,158.18/11,258.38 = 4,432.18/x
  3. Step 3: Cross multiply
    8,158.18x = 11,258.38 × 4,432.18
  4. Step 4: Simplify right side
    8,158.18x = 49,899,166.67
  5. Step 5: Solve for x
    x = 49,899,166.67/8,158.18
  6. Step 6: Final answer
    x = 6,116.46

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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.