Home / 12,093.75-18,140.63-4,302.59

Finding the Fourth Proportional to 12,093.75, 18,140.63 and 4,302.59

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Solution

The fourth proportional to 12,093.75, 18,140.63 and 4,302.59 is: 6,453.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.75 : 18,140.63 = 4,302.59 : x
  2. Step 2: Convert to fraction form
    12,093.75/18,140.63 = 4,302.59/x
  3. Step 3: Cross multiply
    12,093.75x = 18,140.63 × 4,302.59
  4. Step 4: Simplify right side
    12,093.75x = 78,051,581.02
  5. Step 5: Solve for x
    x = 78,051,581.02/12,093.75
  6. Step 6: Final answer
    x = 6,453.88

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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.