Home / 12,562.14-18,846.33-8,871.57

Finding the Fourth Proportional to 12,562.14, 18,846.33 and 8,871.57

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Solution

The fourth proportional to 12,562.14, 18,846.33 and 8,871.57 is: 13,309.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.14 : 18,846.33 = 8,871.57 : x
  2. Step 2: Convert to fraction form
    12,562.14/18,846.33 = 8,871.57/x
  3. Step 3: Cross multiply
    12,562.14x = 18,846.33 × 8,871.57
  4. Step 4: Simplify right side
    12,562.14x = 167,196,535.84
  5. Step 5: Solve for x
    x = 167,196,535.84/12,562.14
  6. Step 6: Final answer
    x = 13,309.56

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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.