Home / 7,568.48-11,354.09-3,126.15

Finding the Fourth Proportional to 7,568.48, 11,354.09 and 3,126.15

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Solution

The fourth proportional to 7,568.48, 11,354.09 and 3,126.15 is: 4,689.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.48 : 11,354.09 = 3,126.15 : x
  2. Step 2: Convert to fraction form
    7,568.48/11,354.09 = 3,126.15/x
  3. Step 3: Cross multiply
    7,568.48x = 11,354.09 × 3,126.15
  4. Step 4: Simplify right side
    7,568.48x = 35,494,572.82
  5. Step 5: Solve for x
    x = 35,494,572.82/7,568.48
  6. Step 6: Final answer
    x = 4,689.79

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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.