Home / 9,084.15-13,631.40-3,536.78

Finding the Fourth Proportional to 9,084.15, 13,631.40 and 3,536.78

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Solution

The fourth proportional to 9,084.15, 13,631.40 and 3,536.78 is: 5,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,084.15 : 13,631.40 = 3,536.78 : x
  2. Step 2: Convert to fraction form
    9,084.15/13,631.40 = 3,536.78/x
  3. Step 3: Cross multiply
    9,084.15x = 13,631.40 × 3,536.78
  4. Step 4: Simplify right side
    9,084.15x = 48,211,194.74
  5. Step 5: Solve for x
    x = 48,211,194.74/9,084.15
  6. Step 6: Final answer
    x = 5,307.18

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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.