Home / 12,661.08-17,469.30-7,352.74

Finding the Fourth Proportional to 12,661.08, 17,469.30 and 7,352.74

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Solution

The fourth proportional to 12,661.08, 17,469.30 and 7,352.74 is: 10,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,661.08 : 17,469.30 = 7,352.74 : x
  2. Step 2: Convert to fraction form
    12,661.08/17,469.30 = 7,352.74/x
  3. Step 3: Cross multiply
    12,661.08x = 17,469.30 × 7,352.74
  4. Step 4: Simplify right side
    12,661.08x = 128,447,220.88
  5. Step 5: Solve for x
    x = 128,447,220.88/12,661.08
  6. Step 6: Final answer
    x = 10,145.04

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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.