Home / 12,199.14-18,298.71-3,434.06

Finding the Fourth Proportional to 12,199.14, 18,298.71 and 3,434.06

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Solution

The fourth proportional to 12,199.14, 18,298.71 and 3,434.06 is: 5,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,199.14 : 18,298.71 = 3,434.06 : x
  2. Step 2: Convert to fraction form
    12,199.14/18,298.71 = 3,434.06/x
  3. Step 3: Cross multiply
    12,199.14x = 18,298.71 × 3,434.06
  4. Step 4: Simplify right side
    12,199.14x = 62,838,776.57
  5. Step 5: Solve for x
    x = 62,838,776.57/12,199.14
  6. Step 6: Final answer
    x = 5,151.08

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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.