Home / 6,918.75-9,548.01-4,124.25

Finding the Fourth Proportional to 6,918.75, 9,548.01 and 4,124.25

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Solution

The fourth proportional to 6,918.75, 9,548.01 and 4,124.25 is: 5,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.75 : 9,548.01 = 4,124.25 : x
  2. Step 2: Convert to fraction form
    6,918.75/9,548.01 = 4,124.25/x
  3. Step 3: Cross multiply
    6,918.75x = 9,548.01 × 4,124.25
  4. Step 4: Simplify right side
    6,918.75x = 39,378,380.24
  5. Step 5: Solve for x
    x = 39,378,380.24/6,918.75
  6. Step 6: Final answer
    x = 5,691.55

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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.