Home / 9,148.43-12,625.01-5,169.51

Finding the Fourth Proportional to 9,148.43, 12,625.01 and 5,169.51

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Solution

The fourth proportional to 9,148.43, 12,625.01 and 5,169.51 is: 7,134.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.43 : 12,625.01 = 5,169.51 : x
  2. Step 2: Convert to fraction form
    9,148.43/12,625.01 = 5,169.51/x
  3. Step 3: Cross multiply
    9,148.43x = 12,625.01 × 5,169.51
  4. Step 4: Simplify right side
    9,148.43x = 65,265,089.60
  5. Step 5: Solve for x
    x = 65,265,089.60/9,148.43
  6. Step 6: Final answer
    x = 7,134.02

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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.