Home / 10,761.24-16,142.79-2,970.06

Finding the Fourth Proportional to 10,761.24, 16,142.79 and 2,970.06

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Solution

The fourth proportional to 10,761.24, 16,142.79 and 2,970.06 is: 4,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761.24 : 16,142.79 = 2,970.06 : x
  2. Step 2: Convert to fraction form
    10,761.24/16,142.79 = 2,970.06/x
  3. Step 3: Cross multiply
    10,761.24x = 16,142.79 × 2,970.06
  4. Step 4: Simplify right side
    10,761.24x = 47,945,054.87
  5. Step 5: Solve for x
    x = 47,945,054.87/10,761.24
  6. Step 6: Final answer
    x = 4,455.35

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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.