Home / 9,951.08-13,729.76-6,172.44

Finding the Fourth Proportional to 9,951.08, 13,729.76 and 6,172.44

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Solution

The fourth proportional to 9,951.08, 13,729.76 and 6,172.44 is: 8,516.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.08 : 13,729.76 = 6,172.44 : x
  2. Step 2: Convert to fraction form
    9,951.08/13,729.76 = 6,172.44/x
  3. Step 3: Cross multiply
    9,951.08x = 13,729.76 × 6,172.44
  4. Step 4: Simplify right side
    9,951.08x = 84,746,119.81
  5. Step 5: Solve for x
    x = 84,746,119.81/9,951.08
  6. Step 6: Final answer
    x = 8,516.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.