Home / 8,046.33-12,069.49-2,123.20

Finding the Fourth Proportional to 8,046.33, 12,069.49 and 2,123.20

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Solution

The fourth proportional to 8,046.33, 12,069.49 and 2,123.20 is: 3,184.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,046.33 : 12,069.49 = 2,123.20 : x
  2. Step 2: Convert to fraction form
    8,046.33/12,069.49 = 2,123.20/x
  3. Step 3: Cross multiply
    8,046.33x = 12,069.49 × 2,123.20
  4. Step 4: Simplify right side
    8,046.33x = 25,625,941.17
  5. Step 5: Solve for x
    x = 25,625,941.17/8,046.33
  6. Step 6: Final answer
    x = 3,184.80

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Half scale
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Double scale
Find fourth proportional to 8,047.33, 12,070.99 and 2,124.20
Similar ratio
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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.