Home / 9,512.48-13,127.95-5,480.56

Finding the Fourth Proportional to 9,512.48, 13,127.95 and 5,480.56

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Solution

The fourth proportional to 9,512.48, 13,127.95 and 5,480.56 is: 7,563.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,512.48 : 13,127.95 = 5,480.56 : x
  2. Step 2: Convert to fraction form
    9,512.48/13,127.95 = 5,480.56/x
  3. Step 3: Cross multiply
    9,512.48x = 13,127.95 × 5,480.56
  4. Step 4: Simplify right side
    9,512.48x = 71,948,452.01
  5. Step 5: Solve for x
    x = 71,948,452.01/9,512.48
  6. Step 6: Final answer
    x = 7,563.59

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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.