Home / 8,495.28-11,724.57-5,138.12

Finding the Fourth Proportional to 8,495.28, 11,724.57 and 5,138.12

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Solution

The fourth proportional to 8,495.28, 11,724.57 and 5,138.12 is: 7,091.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,495.28 : 11,724.57 = 5,138.12 : x
  2. Step 2: Convert to fraction form
    8,495.28/11,724.57 = 5,138.12/x
  3. Step 3: Cross multiply
    8,495.28x = 11,724.57 × 5,138.12
  4. Step 4: Simplify right side
    8,495.28x = 60,242,247.61
  5. Step 5: Solve for x
    x = 60,242,247.61/8,495.28
  6. Step 6: Final answer
    x = 7,091.26

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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.