Home / 9,764.36-13,475.28-5,517.12

Finding the Fourth Proportional to 9,764.36, 13,475.28 and 5,517.12

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Solution

The fourth proportional to 9,764.36, 13,475.28 and 5,517.12 is: 7,613.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.36 : 13,475.28 = 5,517.12 : x
  2. Step 2: Convert to fraction form
    9,764.36/13,475.28 = 5,517.12/x
  3. Step 3: Cross multiply
    9,764.36x = 13,475.28 × 5,517.12
  4. Step 4: Simplify right side
    9,764.36x = 74,344,736.79
  5. Step 5: Solve for x
    x = 74,344,736.79/9,764.36
  6. Step 6: Final answer
    x = 7,613.89

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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.