Home / 8,283.28-11,397.36-8,086.36

Finding the Fourth Proportional to 8,283.28, 11,397.36 and 8,086.36

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Solution

The fourth proportional to 8,283.28, 11,397.36 and 8,086.36 is: 11,126.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.28 : 11,397.36 = 8,086.36 : x
  2. Step 2: Convert to fraction form
    8,283.28/11,397.36 = 8,086.36/x
  3. Step 3: Cross multiply
    8,283.28x = 11,397.36 × 8,086.36
  4. Step 4: Simplify right side
    8,283.28x = 92,163,156.01
  5. Step 5: Solve for x
    x = 92,163,156.01/8,283.28
  6. Step 6: Final answer
    x = 11,126.41

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Double 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.