Home / 12,752.49-17,578.92-8,965.33

Finding the Fourth Proportional to 12,752.49, 17,578.92 and 8,965.33

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Solution

The fourth proportional to 12,752.49, 17,578.92 and 8,965.33 is: 12,358.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.49 : 17,578.92 = 8,965.33 : x
  2. Step 2: Convert to fraction form
    12,752.49/17,578.92 = 8,965.33/x
  3. Step 3: Cross multiply
    12,752.49x = 17,578.92 × 8,965.33
  4. Step 4: Simplify right side
    12,752.49x = 157,600,907.40
  5. Step 5: Solve for x
    x = 157,600,907.40/12,752.49
  6. Step 6: Final answer
    x = 12,358.44

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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.