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Finding the Fourth Proportional to 8,374.53, 11,555.87 and 5,016.87

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Solution

The fourth proportional to 8,374.53, 11,555.87 and 5,016.87 is: 6,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.53 : 11,555.87 = 5,016.87 : x
  2. Step 2: Convert to fraction form
    8,374.53/11,555.87 = 5,016.87/x
  3. Step 3: Cross multiply
    8,374.53x = 11,555.87 × 5,016.87
  4. Step 4: Simplify right side
    8,374.53x = 57,974,297.53
  5. Step 5: Solve for x
    x = 57,974,297.53/8,374.53
  6. Step 6: Final answer
    x = 6,922.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.