Home / 8,602.05-11,871.51-5,065.95

Finding the Fourth Proportional to 8,602.05, 11,871.51 and 5,065.95

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Solution

The fourth proportional to 8,602.05, 11,871.51 and 5,065.95 is: 6,991.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.05 : 11,871.51 = 5,065.95 : x
  2. Step 2: Convert to fraction form
    8,602.05/11,871.51 = 5,065.95/x
  3. Step 3: Cross multiply
    8,602.05x = 11,871.51 × 5,065.95
  4. Step 4: Simplify right side
    8,602.05x = 60,140,476.08
  5. Step 5: Solve for x
    x = 60,140,476.08/8,602.05
  6. Step 6: Final answer
    x = 6,991.41

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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.