Home / 9,549.20-13,177.86-5,357.36

Finding the Fourth Proportional to 9,549.20, 13,177.86 and 5,357.36

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Solution

The fourth proportional to 9,549.20, 13,177.86 and 5,357.36 is: 7,393.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,549.20 : 13,177.86 = 5,357.36 : x
  2. Step 2: Convert to fraction form
    9,549.20/13,177.86 = 5,357.36/x
  3. Step 3: Cross multiply
    9,549.20x = 13,177.86 × 5,357.36
  4. Step 4: Simplify right side
    9,549.20x = 70,598,540.05
  5. Step 5: Solve for x
    x = 70,598,540.05/9,549.20
  6. Step 6: Final answer
    x = 7,393.14

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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.