Home / 11,849.21-17,767.86-3,948.93

Finding the Fourth Proportional to 11,849.21, 17,767.86 and 3,948.93

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Solution

The fourth proportional to 11,849.21, 17,767.86 and 3,948.93 is: 5,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,849.21 : 17,767.86 = 3,948.93 : x
  2. Step 2: Convert to fraction form
    11,849.21/17,767.86 = 3,948.93/x
  3. Step 3: Cross multiply
    11,849.21x = 17,767.86 × 3,948.93
  4. Step 4: Simplify right side
    11,849.21x = 70,163,970.61
  5. Step 5: Solve for x
    x = 70,163,970.61/11,849.21
  6. Step 6: Final answer
    x = 5,921.40

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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.