Home / 7,815.53-11,724.45-2,268.16

Finding the Fourth Proportional to 7,815.53, 11,724.45 and 2,268.16

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Solution

The fourth proportional to 7,815.53, 11,724.45 and 2,268.16 is: 3,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815.53 : 11,724.45 = 2,268.16 : x
  2. Step 2: Convert to fraction form
    7,815.53/11,724.45 = 2,268.16/x
  3. Step 3: Cross multiply
    7,815.53x = 11,724.45 × 2,268.16
  4. Step 4: Simplify right side
    7,815.53x = 26,592,869.89
  5. Step 5: Solve for x
    x = 26,592,869.89/7,815.53
  6. Step 6: Final answer
    x = 3,402.57

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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.