Home / 9,819.68-13,552.50-6,676.88

Finding the Fourth Proportional to 9,819.68, 13,552.50 and 6,676.88

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Solution

The fourth proportional to 9,819.68, 13,552.50 and 6,676.88 is: 9,215.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.68 : 13,552.50 = 6,676.88 : x
  2. Step 2: Convert to fraction form
    9,819.68/13,552.50 = 6,676.88/x
  3. Step 3: Cross multiply
    9,819.68x = 13,552.50 × 6,676.88
  4. Step 4: Simplify right side
    9,819.68x = 90,488,416.20
  5. Step 5: Solve for x
    x = 90,488,416.20/9,819.68
  6. Step 6: Final answer
    x = 9,215.01

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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.