Home / 12,448.27-18,664.62-4,126.11

Finding the Fourth Proportional to 12,448.27, 18,664.62 and 4,126.11

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Solution

The fourth proportional to 12,448.27, 18,664.62 and 4,126.11 is: 6,186.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.27 : 18,664.62 = 4,126.11 : x
  2. Step 2: Convert to fraction form
    12,448.27/18,664.62 = 4,126.11/x
  3. Step 3: Cross multiply
    12,448.27x = 18,664.62 × 4,126.11
  4. Step 4: Simplify right side
    12,448.27x = 77,012,275.23
  5. Step 5: Solve for x
    x = 77,012,275.23/12,448.27
  6. Step 6: Final answer
    x = 6,186.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.