Home / 8,508.32-11,742.51-5,151.04

Finding the Fourth Proportional to 8,508.32, 11,742.51 and 5,151.04

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Solution

The fourth proportional to 8,508.32, 11,742.51 and 5,151.04 is: 7,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.32 : 11,742.51 = 5,151.04 : x
  2. Step 2: Convert to fraction form
    8,508.32/11,742.51 = 5,151.04/x
  3. Step 3: Cross multiply
    8,508.32x = 11,742.51 × 5,151.04
  4. Step 4: Simplify right side
    8,508.32x = 60,486,180.23
  5. Step 5: Solve for x
    x = 60,486,180.23/8,508.32
  6. Step 6: Final answer
    x = 7,109.07

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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.