Home / 10,795.20-16,195.20-8,462.40

Finding the Fourth Proportional to 10,795.20, 16,195.20 and 8,462.40

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Solution

The fourth proportional to 10,795.20, 16,195.20 and 8,462.40 is: 12,695.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,795.20 : 16,195.20 = 8,462.40 : x
  2. Step 2: Convert to fraction form
    10,795.20/16,195.20 = 8,462.40/x
  3. Step 3: Cross multiply
    10,795.20x = 16,195.20 × 8,462.40
  4. Step 4: Simplify right side
    10,795.20x = 137,050,260.48
  5. Step 5: Solve for x
    x = 137,050,260.48/10,795.20
  6. Step 6: Final answer
    x = 12,695.48

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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.