Home / 8,536.14-12,787.64-5,605.56

Finding the Fourth Proportional to 8,536.14, 12,787.64 and 5,605.56

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Solution

The fourth proportional to 8,536.14, 12,787.64 and 5,605.56 is: 8,397.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,536.14 : 12,787.64 = 5,605.56 : x
  2. Step 2: Convert to fraction form
    8,536.14/12,787.64 = 5,605.56/x
  3. Step 3: Cross multiply
    8,536.14x = 12,787.64 × 5,605.56
  4. Step 4: Simplify right side
    8,536.14x = 71,681,883.28
  5. Step 5: Solve for x
    x = 71,681,883.28/8,536.14
  6. Step 6: Final answer
    x = 8,397.46

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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.