Home / 11,787.29-17,681.84-4,767.02

Finding the Fourth Proportional to 11,787.29, 17,681.84 and 4,767.02

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Solution

The fourth proportional to 11,787.29, 17,681.84 and 4,767.02 is: 7,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,787.29 : 17,681.84 = 4,767.02 : x
  2. Step 2: Convert to fraction form
    11,787.29/17,681.84 = 4,767.02/x
  3. Step 3: Cross multiply
    11,787.29x = 17,681.84 × 4,767.02
  4. Step 4: Simplify right side
    11,787.29x = 84,289,572.67
  5. Step 5: Solve for x
    x = 84,289,572.67/11,787.29
  6. Step 6: Final answer
    x = 7,150.89

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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.