Home / 8,150.39-11,247.70-5,319.58

Finding the Fourth Proportional to 8,150.39, 11,247.70 and 5,319.58

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Solution

The fourth proportional to 8,150.39, 11,247.70 and 5,319.58 is: 7,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150.39 : 11,247.70 = 5,319.58 : x
  2. Step 2: Convert to fraction form
    8,150.39/11,247.70 = 5,319.58/x
  3. Step 3: Cross multiply
    8,150.39x = 11,247.70 × 5,319.58
  4. Step 4: Simplify right side
    8,150.39x = 59,833,039.97
  5. Step 5: Solve for x
    x = 59,833,039.97/8,150.39
  6. Step 6: Final answer
    x = 7,341.13

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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.