Home / 8,148.25-11,243.86-5,759.14

Finding the Fourth Proportional to 8,148.25, 11,243.86 and 5,759.14

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Solution

The fourth proportional to 8,148.25, 11,243.86 and 5,759.14 is: 7,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.25 : 11,243.86 = 5,759.14 : x
  2. Step 2: Convert to fraction form
    8,148.25/11,243.86 = 5,759.14/x
  3. Step 3: Cross multiply
    8,148.25x = 11,243.86 × 5,759.14
  4. Step 4: Simplify right side
    8,148.25x = 64,754,963.88
  5. Step 5: Solve for x
    x = 64,754,963.88/8,148.25
  6. Step 6: Final answer
    x = 7,947.10

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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.