Home / 9,708.99-13,398.33-5,517.24

Finding the Fourth Proportional to 9,708.99, 13,398.33 and 5,517.24

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Solution

The fourth proportional to 9,708.99, 13,398.33 and 5,517.24 is: 7,613.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708.99 : 13,398.33 = 5,517.24 : x
  2. Step 2: Convert to fraction form
    9,708.99/13,398.33 = 5,517.24/x
  3. Step 3: Cross multiply
    9,708.99x = 13,398.33 × 5,517.24
  4. Step 4: Simplify right side
    9,708.99x = 73,921,802.21
  5. Step 5: Solve for x
    x = 73,921,802.21/9,708.99
  6. Step 6: Final answer
    x = 7,613.75

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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.