Home / 11,581.84-15,983.00-6,276.66

Finding the Fourth Proportional to 11,581.84, 15,983.00 and 6,276.66

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Solution

The fourth proportional to 11,581.84, 15,983.00 and 6,276.66 is: 8,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,581.84 : 15,983.00 = 6,276.66 : x
  2. Step 2: Convert to fraction form
    11,581.84/15,983.00 = 6,276.66/x
  3. Step 3: Cross multiply
    11,581.84x = 15,983.00 × 6,276.66
  4. Step 4: Simplify right side
    11,581.84x = 100,319,825.40
  5. Step 5: Solve for x
    x = 100,319,825.40/11,581.84
  6. Step 6: Final answer
    x = 8,661.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.