Home / 8,585.12-11,838.42-6,351.63

Finding the Fourth Proportional to 8,585.12, 11,838.42 and 6,351.63

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Solution

The fourth proportional to 8,585.12, 11,838.42 and 6,351.63 is: 8,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.12 : 11,838.42 = 6,351.63 : x
  2. Step 2: Convert to fraction form
    8,585.12/11,838.42 = 6,351.63/x
  3. Step 3: Cross multiply
    8,585.12x = 11,838.42 × 6,351.63
  4. Step 4: Simplify right side
    8,585.12x = 75,193,263.62
  5. Step 5: Solve for x
    x = 75,193,263.62/8,585.12
  6. Step 6: Final answer
    x = 8,758.56

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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.