Home / 8,277.16-11,424.66-5,132.20

Finding the Fourth Proportional to 8,277.16, 11,424.66 and 5,132.20

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Solution

The fourth proportional to 8,277.16, 11,424.66 and 5,132.20 is: 7,083.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.16 : 11,424.66 = 5,132.20 : x
  2. Step 2: Convert to fraction form
    8,277.16/11,424.66 = 5,132.20/x
  3. Step 3: Cross multiply
    8,277.16x = 11,424.66 × 5,132.20
  4. Step 4: Simplify right side
    8,277.16x = 58,633,640.05
  5. Step 5: Solve for x
    x = 58,633,640.05/8,277.16
  6. Step 6: Final answer
    x = 7,083.79

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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.