Home / 12,424.17-17,145.22-9,251.66

Finding the Fourth Proportional to 12,424.17, 17,145.22 and 9,251.66

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Solution

The fourth proportional to 12,424.17, 17,145.22 and 9,251.66 is: 12,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.17 : 17,145.22 = 9,251.66 : x
  2. Step 2: Convert to fraction form
    12,424.17/17,145.22 = 9,251.66/x
  3. Step 3: Cross multiply
    12,424.17x = 17,145.22 × 9,251.66
  4. Step 4: Simplify right side
    12,424.17x = 158,621,746.07
  5. Step 5: Solve for x
    x = 158,621,746.07/12,424.17
  6. Step 6: Final answer
    x = 12,767.19

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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.