Home / 12,532.11-18,800.34-4,212.93

Finding the Fourth Proportional to 12,532.11, 18,800.34 and 4,212.93

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Solution

The fourth proportional to 12,532.11, 18,800.34 and 4,212.93 is: 6,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,532.11 : 18,800.34 = 4,212.93 : x
  2. Step 2: Convert to fraction form
    12,532.11/18,800.34 = 4,212.93/x
  3. Step 3: Cross multiply
    12,532.11x = 18,800.34 × 4,212.93
  4. Step 4: Simplify right side
    12,532.11x = 79,204,516.40
  5. Step 5: Solve for x
    x = 79,204,516.40/12,532.11
  6. Step 6: Final answer
    x = 6,320.13

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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.