Home / 10,745.84-16,118.78-2,955.28

Finding the Fourth Proportional to 10,745.84, 16,118.78 and 2,955.28

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Solution

The fourth proportional to 10,745.84, 16,118.78 and 2,955.28 is: 4,432.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,745.84 : 16,118.78 = 2,955.28 : x
  2. Step 2: Convert to fraction form
    10,745.84/16,118.78 = 2,955.28/x
  3. Step 3: Cross multiply
    10,745.84x = 16,118.78 × 2,955.28
  4. Step 4: Simplify right side
    10,745.84x = 47,635,508.16
  5. Step 5: Solve for x
    x = 47,635,508.16/10,745.84
  6. Step 6: Final answer
    x = 4,432.93

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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.