Home / 7,625.49-11,428.14-3,462.75

Finding the Fourth Proportional to 7,625.49, 11,428.14 and 3,462.75

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Solution

The fourth proportional to 7,625.49, 11,428.14 and 3,462.75 is: 5,189.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.49 : 11,428.14 = 3,462.75 : x
  2. Step 2: Convert to fraction form
    7,625.49/11,428.14 = 3,462.75/x
  3. Step 3: Cross multiply
    7,625.49x = 11,428.14 × 3,462.75
  4. Step 4: Simplify right side
    7,625.49x = 39,572,785.29
  5. Step 5: Solve for x
    x = 39,572,785.29/7,625.49
  6. Step 6: Final answer
    x = 5,189.54

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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.