Home / 12,309.03-16,982.46-7,273.40

Finding the Fourth Proportional to 12,309.03, 16,982.46 and 7,273.40

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Solution

The fourth proportional to 12,309.03, 16,982.46 and 7,273.40 is: 10,034.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,309.03 : 16,982.46 = 7,273.40 : x
  2. Step 2: Convert to fraction form
    12,309.03/16,982.46 = 7,273.40/x
  3. Step 3: Cross multiply
    12,309.03x = 16,982.46 × 7,273.40
  4. Step 4: Simplify right side
    12,309.03x = 123,520,139.65
  5. Step 5: Solve for x
    x = 123,520,139.65/12,309.03
  6. Step 6: Final answer
    x = 10,034.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.