Home / 9,231.28-12,738.99-5,252.30

Finding the Fourth Proportional to 9,231.28, 12,738.99 and 5,252.30

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Solution

The fourth proportional to 9,231.28, 12,738.99 and 5,252.30 is: 7,248.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.28 : 12,738.99 = 5,252.30 : x
  2. Step 2: Convert to fraction form
    9,231.28/12,738.99 = 5,252.30/x
  3. Step 3: Cross multiply
    9,231.28x = 12,738.99 × 5,252.30
  4. Step 4: Simplify right side
    9,231.28x = 66,908,997.18
  5. Step 5: Solve for x
    x = 66,908,997.18/9,231.28
  6. Step 6: Final answer
    x = 7,248.07

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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.