Home / 9,785.62-14,679.60-3,212.56

Finding the Fourth Proportional to 9,785.62, 14,679.60 and 3,212.56

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Solution

The fourth proportional to 9,785.62, 14,679.60 and 3,212.56 is: 4,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.62 : 14,679.60 = 3,212.56 : x
  2. Step 2: Convert to fraction form
    9,785.62/14,679.60 = 3,212.56/x
  3. Step 3: Cross multiply
    9,785.62x = 14,679.60 × 3,212.56
  4. Step 4: Simplify right side
    9,785.62x = 47,159,095.78
  5. Step 5: Solve for x
    x = 47,159,095.78/9,785.62
  6. Step 6: Final answer
    x = 4,819.22

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1.5x scale

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.