Home / 12,009.07-16,572.45-6,974.53

Finding the Fourth Proportional to 12,009.07, 16,572.45 and 6,974.53

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Solution

The fourth proportional to 12,009.07, 16,572.45 and 6,974.53 is: 9,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.07 : 16,572.45 = 6,974.53 : x
  2. Step 2: Convert to fraction form
    12,009.07/16,572.45 = 6,974.53/x
  3. Step 3: Cross multiply
    12,009.07x = 16,572.45 × 6,974.53
  4. Step 4: Simplify right side
    12,009.07x = 115,585,049.70
  5. Step 5: Solve for x
    x = 115,585,049.70/12,009.07
  6. Step 6: Final answer
    x = 9,624.81

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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.