Home / 12,358.71-18,534.33-4,568.13

Finding the Fourth Proportional to 12,358.71, 18,534.33 and 4,568.13

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Solution

The fourth proportional to 12,358.71, 18,534.33 and 4,568.13 is: 6,850.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.71 : 18,534.33 = 4,568.13 : x
  2. Step 2: Convert to fraction form
    12,358.71/18,534.33 = 4,568.13/x
  3. Step 3: Cross multiply
    12,358.71x = 18,534.33 × 4,568.13
  4. Step 4: Simplify right side
    12,358.71x = 84,667,228.90
  5. Step 5: Solve for x
    x = 84,667,228.90/12,358.71
  6. Step 6: Final answer
    x = 6,850.81

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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.