Home / 12,263.67-18,398.57-3,498.66

Finding the Fourth Proportional to 12,263.67, 18,398.57 and 3,498.66

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Solution

The fourth proportional to 12,263.67, 18,398.57 and 3,498.66 is: 5,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,263.67 : 18,398.57 = 3,498.66 : x
  2. Step 2: Convert to fraction form
    12,263.67/18,398.57 = 3,498.66/x
  3. Step 3: Cross multiply
    12,263.67x = 18,398.57 × 3,498.66
  4. Step 4: Simplify right side
    12,263.67x = 64,370,323.42
  5. Step 5: Solve for x
    x = 64,370,323.42/12,263.67
  6. Step 6: Final answer
    x = 5,248.86

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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.