Home / 8,436.12-12,657.46-3,504.52

Finding the Fourth Proportional to 8,436.12, 12,657.46 and 3,504.52

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Solution

The fourth proportional to 8,436.12, 12,657.46 and 3,504.52 is: 5,258.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.12 : 12,657.46 = 3,504.52 : x
  2. Step 2: Convert to fraction form
    8,436.12/12,657.46 = 3,504.52/x
  3. Step 3: Cross multiply
    8,436.12x = 12,657.46 × 3,504.52
  4. Step 4: Simplify right side
    8,436.12x = 44,358,321.72
  5. Step 5: Solve for x
    x = 44,358,321.72/8,436.12
  6. Step 6: Final answer
    x = 5,258.14

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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.