Home / 12,344.44-18,516.12-3,579.16

Finding the Fourth Proportional to 12,344.44, 18,516.12 and 3,579.16

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Solution

The fourth proportional to 12,344.44, 18,516.12 and 3,579.16 is: 5,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.44 : 18,516.12 = 3,579.16 : x
  2. Step 2: Convert to fraction form
    12,344.44/18,516.12 = 3,579.16/x
  3. Step 3: Cross multiply
    12,344.44x = 18,516.12 × 3,579.16
  4. Step 4: Simplify right side
    12,344.44x = 66,272,156.06
  5. Step 5: Solve for x
    x = 66,272,156.06/12,344.44
  6. Step 6: Final answer
    x = 5,368.58

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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.