Home / 12,572.04-18,858.10-4,249.84

Finding the Fourth Proportional to 12,572.04, 18,858.10 and 4,249.84

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Solution

The fourth proportional to 12,572.04, 18,858.10 and 4,249.84 is: 6,374.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.04 : 18,858.10 = 4,249.84 : x
  2. Step 2: Convert to fraction form
    12,572.04/18,858.10 = 4,249.84/x
  3. Step 3: Cross multiply
    12,572.04x = 18,858.10 × 4,249.84
  4. Step 4: Simplify right side
    12,572.04x = 80,143,907.70
  5. Step 5: Solve for x
    x = 80,143,907.70/12,572.04
  6. Step 6: Final answer
    x = 6,374.77

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.