Home / 12,344.36-18,516.46-4,948.72

Finding the Fourth Proportional to 12,344.36, 18,516.46 and 4,948.72

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Solution

The fourth proportional to 12,344.36, 18,516.46 and 4,948.72 is: 7,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.36 : 18,516.46 = 4,948.72 : x
  2. Step 2: Convert to fraction form
    12,344.36/18,516.46 = 4,948.72/x
  3. Step 3: Cross multiply
    12,344.36x = 18,516.46 × 4,948.72
  4. Step 4: Simplify right side
    12,344.36x = 91,632,726.55
  5. Step 5: Solve for x
    x = 91,632,726.55/12,344.36
  6. Step 6: Final answer
    x = 7,423.04

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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.