Home / 10,840.32-16,259.13-2,943.45

Finding the Fourth Proportional to 10,840.32, 16,259.13 and 2,943.45

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Solution

The fourth proportional to 10,840.32, 16,259.13 and 2,943.45 is: 4,414.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,840.32 : 16,259.13 = 2,943.45 : x
  2. Step 2: Convert to fraction form
    10,840.32/16,259.13 = 2,943.45/x
  3. Step 3: Cross multiply
    10,840.32x = 16,259.13 × 2,943.45
  4. Step 4: Simplify right side
    10,840.32x = 47,857,936.20
  5. Step 5: Solve for x
    x = 47,857,936.20/10,840.32
  6. Step 6: Final answer
    x = 4,414.81

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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.