Home / 7,016.51-9,682.65-3,872.63

Finding the Fourth Proportional to 7,016.51, 9,682.65 and 3,872.63

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Solution

The fourth proportional to 7,016.51, 9,682.65 and 3,872.63 is: 5,344.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,016.51 : 9,682.65 = 3,872.63 : x
  2. Step 2: Convert to fraction form
    7,016.51/9,682.65 = 3,872.63/x
  3. Step 3: Cross multiply
    7,016.51x = 9,682.65 × 3,872.63
  4. Step 4: Simplify right side
    7,016.51x = 37,497,272.46
  5. Step 5: Solve for x
    x = 37,497,272.46/7,016.51
  6. Step 6: Final answer
    x = 5,344.15

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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.