Home / 10,359.30-15,538.97-2,568.12

Finding the Fourth Proportional to 10,359.30, 15,538.97 and 2,568.12

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Solution

The fourth proportional to 10,359.30, 15,538.97 and 2,568.12 is: 3,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.30 : 15,538.97 = 2,568.12 : x
  2. Step 2: Convert to fraction form
    10,359.30/15,538.97 = 2,568.12/x
  3. Step 3: Cross multiply
    10,359.30x = 15,538.97 × 2,568.12
  4. Step 4: Simplify right side
    10,359.30x = 39,905,939.64
  5. Step 5: Solve for x
    x = 39,905,939.64/10,359.30
  6. Step 6: Final answer
    x = 3,852.18

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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.