Home / 12,351.92-17,045.51-6,686.53

Finding the Fourth Proportional to 12,351.92, 17,045.51 and 6,686.53

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Solution

The fourth proportional to 12,351.92, 17,045.51 and 6,686.53 is: 9,227.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.92 : 17,045.51 = 6,686.53 : x
  2. Step 2: Convert to fraction form
    12,351.92/17,045.51 = 6,686.53/x
  3. Step 3: Cross multiply
    12,351.92x = 17,045.51 × 6,686.53
  4. Step 4: Simplify right side
    12,351.92x = 113,975,237.93
  5. Step 5: Solve for x
    x = 113,975,237.93/12,351.92
  6. Step 6: Final answer
    x = 9,227.33

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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.