Home / 8,158.19-11,258.31-4,432.19

Finding the Fourth Proportional to 8,158.19, 11,258.31 and 4,432.19

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Solution

The fourth proportional to 8,158.19, 11,258.31 and 4,432.19 is: 6,116.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.19 : 11,258.31 = 4,432.19 : x
  2. Step 2: Convert to fraction form
    8,158.19/11,258.31 = 4,432.19/x
  3. Step 3: Cross multiply
    8,158.19x = 11,258.31 × 4,432.19
  4. Step 4: Simplify right side
    8,158.19x = 49,898,969.00
  5. Step 5: Solve for x
    x = 49,898,969.00/8,158.19
  6. Step 6: Final answer
    x = 6,116.43

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Half scale
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Double scale
Find fourth proportional to 8,159.19, 11,259.69 and 4,433.19
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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.