Home / 11,864.40-17,796.43-4,842.87

Finding the Fourth Proportional to 11,864.40, 17,796.43 and 4,842.87

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Solution

The fourth proportional to 11,864.40, 17,796.43 and 4,842.87 is: 7,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.40 : 17,796.43 = 4,842.87 : x
  2. Step 2: Convert to fraction form
    11,864.40/17,796.43 = 4,842.87/x
  3. Step 3: Cross multiply
    11,864.40x = 17,796.43 × 4,842.87
  4. Step 4: Simplify right side
    11,864.40x = 86,185,796.95
  5. Step 5: Solve for x
    x = 86,185,796.95/11,864.40
  6. Step 6: Final answer
    x = 7,264.24

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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.