Home / 7,966.15-11,952.49-3,521.47

Finding the Fourth Proportional to 7,966.15, 11,952.49 and 3,521.47

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Solution

The fourth proportional to 7,966.15, 11,952.49 and 3,521.47 is: 5,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.15 : 11,952.49 = 3,521.47 : x
  2. Step 2: Convert to fraction form
    7,966.15/11,952.49 = 3,521.47/x
  3. Step 3: Cross multiply
    7,966.15x = 11,952.49 × 3,521.47
  4. Step 4: Simplify right side
    7,966.15x = 42,090,275.20
  5. Step 5: Solve for x
    x = 42,090,275.20/7,966.15
  6. Step 6: Final answer
    x = 5,283.64

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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.