Home / 8,266.51-11,409.75-4,731.76

Finding the Fourth Proportional to 8,266.51, 11,409.75 and 4,731.76

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Solution

The fourth proportional to 8,266.51, 11,409.75 and 4,731.76 is: 6,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.51 : 11,409.75 = 4,731.76 : x
  2. Step 2: Convert to fraction form
    8,266.51/11,409.75 = 4,731.76/x
  3. Step 3: Cross multiply
    8,266.51x = 11,409.75 × 4,731.76
  4. Step 4: Simplify right side
    8,266.51x = 53,988,198.66
  5. Step 5: Solve for x
    x = 53,988,198.66/8,266.51
  6. Step 6: Final answer
    x = 6,530.95

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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.