Home / 7,849.11-11,774.81-2,653.23

Finding the Fourth Proportional to 7,849.11, 11,774.81 and 2,653.23

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Solution

The fourth proportional to 7,849.11, 11,774.81 and 2,653.23 is: 3,980.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,849.11 : 11,774.81 = 2,653.23 : x
  2. Step 2: Convert to fraction form
    7,849.11/11,774.81 = 2,653.23/x
  3. Step 3: Cross multiply
    7,849.11x = 11,774.81 × 2,653.23
  4. Step 4: Simplify right side
    7,849.11x = 31,241,265.87
  5. Step 5: Solve for x
    x = 31,241,265.87/7,849.11
  6. Step 6: Final answer
    x = 3,980.23

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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.