Home / 12,849.14-17,734.78-8,365.08

Finding the Fourth Proportional to 12,849.14, 17,734.78 and 8,365.08

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Solution

The fourth proportional to 12,849.14, 17,734.78 and 8,365.08 is: 11,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.14 : 17,734.78 = 8,365.08 : x
  2. Step 2: Convert to fraction form
    12,849.14/17,734.78 = 8,365.08/x
  3. Step 3: Cross multiply
    12,849.14x = 17,734.78 × 8,365.08
  4. Step 4: Simplify right side
    12,849.14x = 148,352,853.48
  5. Step 5: Solve for x
    x = 148,352,853.48/12,849.14
  6. Step 6: Final answer
    x = 11,545.74

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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.