Home / 12,384.72-18,577.08-4,591.44

Finding the Fourth Proportional to 12,384.72, 18,577.08 and 4,591.44

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Solution

The fourth proportional to 12,384.72, 18,577.08 and 4,591.44 is: 6,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,384.72 : 18,577.08 = 4,591.44 : x
  2. Step 2: Convert to fraction form
    12,384.72/18,577.08 = 4,591.44/x
  3. Step 3: Cross multiply
    12,384.72x = 18,577.08 × 4,591.44
  4. Step 4: Simplify right side
    12,384.72x = 85,295,548.20
  5. Step 5: Solve for x
    x = 85,295,548.20/12,384.72
  6. Step 6: Final answer
    x = 6,887.16

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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.