Home / 8,198.14-12,275.34-4,294.36

Finding the Fourth Proportional to 8,198.14, 12,275.34 and 4,294.36

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Solution

The fourth proportional to 8,198.14, 12,275.34 and 4,294.36 is: 6,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.14 : 12,275.34 = 4,294.36 : x
  2. Step 2: Convert to fraction form
    8,198.14/12,275.34 = 4,294.36/x
  3. Step 3: Cross multiply
    8,198.14x = 12,275.34 × 4,294.36
  4. Step 4: Simplify right side
    8,198.14x = 52,714,729.08
  5. Step 5: Solve for x
    x = 52,714,729.08/8,198.14
  6. Step 6: Final answer
    x = 6,430.08

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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.