Home / 8,058.38-11,121.17-4,915.17

Finding the Fourth Proportional to 8,058.38, 11,121.17 and 4,915.17

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Solution

The fourth proportional to 8,058.38, 11,121.17 and 4,915.17 is: 6,783.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.38 : 11,121.17 = 4,915.17 : x
  2. Step 2: Convert to fraction form
    8,058.38/11,121.17 = 4,915.17/x
  3. Step 3: Cross multiply
    8,058.38x = 11,121.17 × 4,915.17
  4. Step 4: Simplify right side
    8,058.38x = 54,662,416.57
  5. Step 5: Solve for x
    x = 54,662,416.57/8,058.38
  6. Step 6: Final answer
    x = 6,783.31

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Half scale
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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.