Home / 6,986.31-10,480.51-2,306.81

Finding the Fourth Proportional to 6,986.31, 10,480.51 and 2,306.81

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Solution

The fourth proportional to 6,986.31, 10,480.51 and 2,306.81 is: 3,460.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.31 : 10,480.51 = 2,306.81 : x
  2. Step 2: Convert to fraction form
    6,986.31/10,480.51 = 2,306.81/x
  3. Step 3: Cross multiply
    6,986.31x = 10,480.51 × 2,306.81
  4. Step 4: Simplify right side
    6,986.31x = 24,176,561.38
  5. Step 5: Solve for x
    x = 24,176,561.38/6,986.31
  6. Step 6: Final answer
    x = 3,460.56

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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.