Home / 9,912.47-14,870.97-5,755.95

Finding the Fourth Proportional to 9,912.47, 14,870.97 and 5,755.95

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Solution

The fourth proportional to 9,912.47, 14,870.97 and 5,755.95 is: 8,635.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.47 : 14,870.97 = 5,755.95 : x
  2. Step 2: Convert to fraction form
    9,912.47/14,870.97 = 5,755.95/x
  3. Step 3: Cross multiply
    9,912.47x = 14,870.97 × 5,755.95
  4. Step 4: Simplify right side
    9,912.47x = 85,596,559.77
  5. Step 5: Solve for x
    x = 85,596,559.77/9,912.47
  6. Step 6: Final answer
    x = 8,635.24

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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.