Home / 9,508.13-13,121.68-5,259.17

Finding the Fourth Proportional to 9,508.13, 13,121.68 and 5,259.17

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Solution

The fourth proportional to 9,508.13, 13,121.68 and 5,259.17 is: 7,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,508.13 : 13,121.68 = 5,259.17 : x
  2. Step 2: Convert to fraction form
    9,508.13/13,121.68 = 5,259.17/x
  3. Step 3: Cross multiply
    9,508.13x = 13,121.68 × 5,259.17
  4. Step 4: Simplify right side
    9,508.13x = 69,009,175.32
  5. Step 5: Solve for x
    x = 69,009,175.32/9,508.13
  6. Step 6: Final answer
    x = 7,257.91

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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.