Home / 7,156.25-10,721.86-4,966.37

Finding the Fourth Proportional to 7,156.25, 10,721.86 and 4,966.37

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Solution

The fourth proportional to 7,156.25, 10,721.86 and 4,966.37 is: 7,440.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.25 : 10,721.86 = 4,966.37 : x
  2. Step 2: Convert to fraction form
    7,156.25/10,721.86 = 4,966.37/x
  3. Step 3: Cross multiply
    7,156.25x = 10,721.86 × 4,966.37
  4. Step 4: Simplify right side
    7,156.25x = 53,248,723.85
  5. Step 5: Solve for x
    x = 53,248,723.85/7,156.25
  6. Step 6: Final answer
    x = 7,440.87

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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.