Home / 10,013.80-15,017.34-4,169.08

Finding the Fourth Proportional to 10,013.80, 15,017.34 and 4,169.08

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Solution

The fourth proportional to 10,013.80, 15,017.34 and 4,169.08 is: 6,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,013.80 : 15,017.34 = 4,169.08 : x
  2. Step 2: Convert to fraction form
    10,013.80/15,017.34 = 4,169.08/x
  3. Step 3: Cross multiply
    10,013.80x = 15,017.34 × 4,169.08
  4. Step 4: Simplify right side
    10,013.80x = 62,608,491.85
  5. Step 5: Solve for x
    x = 62,608,491.85/10,013.80
  6. Step 6: Final answer
    x = 6,252.22

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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.