Home / 10,695.20-16,031.46-4,118.54

Finding the Fourth Proportional to 10,695.20, 16,031.46 and 4,118.54

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Solution

The fourth proportional to 10,695.20, 16,031.46 and 4,118.54 is: 6,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,695.20 : 16,031.46 = 4,118.54 : x
  2. Step 2: Convert to fraction form
    10,695.20/16,031.46 = 4,118.54/x
  3. Step 3: Cross multiply
    10,695.20x = 16,031.46 × 4,118.54
  4. Step 4: Simplify right side
    10,695.20x = 66,026,209.27
  5. Step 5: Solve for x
    x = 66,026,209.27/10,695.20
  6. Step 6: Final answer
    x = 6,173.44

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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.