Home / 9,587.28-13,230.36-5,395.44

Finding the Fourth Proportional to 9,587.28, 13,230.36 and 5,395.44

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Solution

The fourth proportional to 9,587.28, 13,230.36 and 5,395.44 is: 7,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,587.28 : 13,230.36 = 5,395.44 : x
  2. Step 2: Convert to fraction form
    9,587.28/13,230.36 = 5,395.44/x
  3. Step 3: Cross multiply
    9,587.28x = 13,230.36 × 5,395.44
  4. Step 4: Simplify right side
    9,587.28x = 71,383,613.56
  5. Step 5: Solve for x
    x = 71,383,613.56/9,587.28
  6. Step 6: Final answer
    x = 7,445.66

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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.