Home / 12,074.04-16,664.94-7,108.92

Finding the Fourth Proportional to 12,074.04, 16,664.94 and 7,108.92

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Solution

The fourth proportional to 12,074.04, 16,664.94 and 7,108.92 is: 9,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,074.04 : 16,664.94 = 7,108.92 : x
  2. Step 2: Convert to fraction form
    12,074.04/16,664.94 = 7,108.92/x
  3. Step 3: Cross multiply
    12,074.04x = 16,664.94 × 7,108.92
  4. Step 4: Simplify right side
    12,074.04x = 118,469,725.26
  5. Step 5: Solve for x
    x = 118,469,725.26/12,074.04
  6. Step 6: Final answer
    x = 9,811.94

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Half scale
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Double scale
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Similar ratio
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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.