Home / 11,276.87-15,562.49-6,497.06

Finding the Fourth Proportional to 11,276.87, 15,562.49 and 6,497.06

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Solution

The fourth proportional to 11,276.87, 15,562.49 and 6,497.06 is: 8,966.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.87 : 15,562.49 = 6,497.06 : x
  2. Step 2: Convert to fraction form
    11,276.87/15,562.49 = 6,497.06/x
  3. Step 3: Cross multiply
    11,276.87x = 15,562.49 × 6,497.06
  4. Step 4: Simplify right side
    11,276.87x = 101,110,320.98
  5. Step 5: Solve for x
    x = 101,110,320.98/11,276.87
  6. Step 6: Final answer
    x = 8,966.17

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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.