Home / 8,340.49-11,519.99-6,595.21

Finding the Fourth Proportional to 8,340.49, 11,519.99 and 6,595.21

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Solution

The fourth proportional to 8,340.49, 11,519.99 and 6,595.21 is: 9,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.49 : 11,519.99 = 6,595.21 : x
  2. Step 2: Convert to fraction form
    8,340.49/11,519.99 = 6,595.21/x
  3. Step 3: Cross multiply
    8,340.49x = 11,519.99 × 6,595.21
  4. Step 4: Simplify right side
    8,340.49x = 75,976,753.25
  5. Step 5: Solve for x
    x = 75,976,753.25/8,340.49
  6. Step 6: Final answer
    x = 9,109.39

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Half scale
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Double scale
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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.