Home / 12,199.26-18,298.80-3,434.13

Finding the Fourth Proportional to 12,199.26, 18,298.80 and 3,434.13

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Solution

The fourth proportional to 12,199.26, 18,298.80 and 3,434.13 is: 5,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.26 : 18,298.80 = 3,434.13 : x
  2. Step 2: Convert to fraction form
    12,199.26/18,298.80 = 3,434.13/x
  3. Step 3: Cross multiply
    12,199.26x = 18,298.80 × 3,434.13
  4. Step 4: Simplify right side
    12,199.26x = 62,840,458.04
  5. Step 5: Solve for x
    x = 62,840,458.04/12,199.26
  6. Step 6: Final answer
    x = 5,151.17

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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.