Home / 9,747.09-14,621.55-3,171.51

Finding the Fourth Proportional to 9,747.09, 14,621.55 and 3,171.51

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Solution

The fourth proportional to 9,747.09, 14,621.55 and 3,171.51 is: 4,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,747.09 : 14,621.55 = 3,171.51 : x
  2. Step 2: Convert to fraction form
    9,747.09/14,621.55 = 3,171.51/x
  3. Step 3: Cross multiply
    9,747.09x = 14,621.55 × 3,171.51
  4. Step 4: Simplify right side
    9,747.09x = 46,372,392.04
  5. Step 5: Solve for x
    x = 46,372,392.04/9,747.09
  6. Step 6: Final answer
    x = 4,757.56

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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.