Home / 7,926.40-11,943.20-6,569.92

Finding the Fourth Proportional to 7,926.40, 11,943.20 and 6,569.92

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Solution

The fourth proportional to 7,926.40, 11,943.20 and 6,569.92 is: 9,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.40 : 11,943.20 = 6,569.92 : x
  2. Step 2: Convert to fraction form
    7,926.40/11,943.20 = 6,569.92/x
  3. Step 3: Cross multiply
    7,926.40x = 11,943.20 × 6,569.92
  4. Step 4: Simplify right side
    7,926.40x = 78,465,868.54
  5. Step 5: Solve for x
    x = 78,465,868.54/7,926.40
  6. Step 6: Final answer
    x = 9,899.31

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.