Home / 12,386.56-18,579.84-4,593.28

Finding the Fourth Proportional to 12,386.56, 18,579.84 and 4,593.28

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Solution

The fourth proportional to 12,386.56, 18,579.84 and 4,593.28 is: 6,889.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.56 : 18,579.84 = 4,593.28 : x
  2. Step 2: Convert to fraction form
    12,386.56/18,579.84 = 4,593.28/x
  3. Step 3: Cross multiply
    12,386.56x = 18,579.84 × 4,593.28
  4. Step 4: Simplify right side
    12,386.56x = 85,342,407.48
  5. Step 5: Solve for x
    x = 85,342,407.48/12,386.56
  6. Step 6: Final answer
    x = 6,889.92

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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.