Home / 12,057.30-18,085.95-3,293.10

Finding the Fourth Proportional to 12,057.30, 18,085.95 and 3,293.10

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Solution

The fourth proportional to 12,057.30, 18,085.95 and 3,293.10 is: 4,939.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057.30 : 18,085.95 = 3,293.10 : x
  2. Step 2: Convert to fraction form
    12,057.30/18,085.95 = 3,293.10/x
  3. Step 3: Cross multiply
    12,057.30x = 18,085.95 × 3,293.10
  4. Step 4: Simplify right side
    12,057.30x = 59,558,841.95
  5. Step 5: Solve for x
    x = 59,558,841.95/12,057.30
  6. Step 6: Final answer
    x = 4,939.65

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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.