Home / 12,395.08-17,120.46-9,265.24

Finding the Fourth Proportional to 12,395.08, 17,120.46 and 9,265.24

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Solution

The fourth proportional to 12,395.08, 17,120.46 and 9,265.24 is: 12,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.08 : 17,120.46 = 9,265.24 : x
  2. Step 2: Convert to fraction form
    12,395.08/17,120.46 = 9,265.24/x
  3. Step 3: Cross multiply
    12,395.08x = 17,120.46 × 9,265.24
  4. Step 4: Simplify right side
    12,395.08x = 158,625,170.81
  5. Step 5: Solve for x
    x = 158,625,170.81/12,395.08
  6. Step 6: Final answer
    x = 12,797.43

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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.