Home / 7,815.67-11,724.66-2,269.06

Finding the Fourth Proportional to 7,815.67, 11,724.66 and 2,269.06

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Solution

The fourth proportional to 7,815.67, 11,724.66 and 2,269.06 is: 3,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.67 : 11,724.66 = 2,269.06 : x
  2. Step 2: Convert to fraction form
    7,815.67/11,724.66 = 2,269.06/x
  3. Step 3: Cross multiply
    7,815.67x = 11,724.66 × 2,269.06
  4. Step 4: Simplify right side
    7,815.67x = 26,603,927.71
  5. Step 5: Solve for x
    x = 26,603,927.71/7,815.67
  6. Step 6: Final answer
    x = 3,403.92

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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.