Home / 8,588.30-11,851.11-5,400.54

Finding the Fourth Proportional to 8,588.30, 11,851.11 and 5,400.54

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Solution

The fourth proportional to 8,588.30, 11,851.11 and 5,400.54 is: 7,452.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.30 : 11,851.11 = 5,400.54 : x
  2. Step 2: Convert to fraction form
    8,588.30/11,851.11 = 5,400.54/x
  3. Step 3: Cross multiply
    8,588.30x = 11,851.11 × 5,400.54
  4. Step 4: Simplify right side
    8,588.30x = 64,002,393.60
  5. Step 5: Solve for x
    x = 64,002,393.60/8,588.30
  6. Step 6: Final answer
    x = 7,452.28

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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.