Home / 11,012.40-15,193.68-6,759

Finding the Fourth Proportional to 11,012.40, 15,193.68 and 6,759

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Solution

The fourth proportional to 11,012.40, 15,193.68 and 6,759 is: 9,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.40 : 15,193.68 = 6,759 : x
  2. Step 2: Convert to fraction form
    11,012.40/15,193.68 = 6,759/x
  3. Step 3: Cross multiply
    11,012.40x = 15,193.68 × 6,759
  4. Step 4: Simplify right side
    11,012.40x = 102,694,083.12
  5. Step 5: Solve for x
    x = 102,694,083.12/11,012.40
  6. Step 6: Final answer
    x = 9,325.31

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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.