Home / 9,228.09-12,734.91-5,248.56

Finding the Fourth Proportional to 9,228.09, 12,734.91 and 5,248.56

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Solution

The fourth proportional to 9,228.09, 12,734.91 and 5,248.56 is: 7,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,228.09 : 12,734.91 = 5,248.56 : x
  2. Step 2: Convert to fraction form
    9,228.09/12,734.91 = 5,248.56/x
  3. Step 3: Cross multiply
    9,228.09x = 12,734.91 × 5,248.56
  4. Step 4: Simplify right side
    9,228.09x = 66,839,939.23
  5. Step 5: Solve for x
    x = 66,839,939.23/9,228.09
  6. Step 6: Final answer
    x = 7,243.10

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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.