Home / 12,551.72-17,323.92-7,245.81

Finding the Fourth Proportional to 12,551.72, 17,323.92 and 7,245.81

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Solution

The fourth proportional to 12,551.72, 17,323.92 and 7,245.81 is: 10,000.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.72 : 17,323.92 = 7,245.81 : x
  2. Step 2: Convert to fraction form
    12,551.72/17,323.92 = 7,245.81/x
  3. Step 3: Cross multiply
    12,551.72x = 17,323.92 × 7,245.81
  4. Step 4: Simplify right side
    12,551.72x = 125,525,832.78
  5. Step 5: Solve for x
    x = 125,525,832.78/12,551.72
  6. Step 6: Final answer
    x = 10,000.69

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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.