Home / 12,253.09-18,372.91-5,675.65

Finding the Fourth Proportional to 12,253.09, 18,372.91 and 5,675.65

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Solution

The fourth proportional to 12,253.09, 18,372.91 and 5,675.65 is: 8,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.09 : 18,372.91 = 5,675.65 : x
  2. Step 2: Convert to fraction form
    12,253.09/18,372.91 = 5,675.65/x
  3. Step 3: Cross multiply
    12,253.09x = 18,372.91 × 5,675.65
  4. Step 4: Simplify right side
    12,253.09x = 104,278,206.64
  5. Step 5: Solve for x
    x = 104,278,206.64/12,253.09
  6. Step 6: Final answer
    x = 8,510.36

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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.