Home / 10,819.11-14,930.34-6,103.35

Finding the Fourth Proportional to 10,819.11, 14,930.34 and 6,103.35

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Solution

The fourth proportional to 10,819.11, 14,930.34 and 6,103.35 is: 8,422.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.11 : 14,930.34 = 6,103.35 : x
  2. Step 2: Convert to fraction form
    10,819.11/14,930.34 = 6,103.35/x
  3. Step 3: Cross multiply
    10,819.11x = 14,930.34 × 6,103.35
  4. Step 4: Simplify right side
    10,819.11x = 91,125,090.64
  5. Step 5: Solve for x
    x = 91,125,090.64/10,819.11
  6. Step 6: Final answer
    x = 8,422.61

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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.