Home / 10,961.19-16,453.49-4,724.28

Finding the Fourth Proportional to 10,961.19, 16,453.49 and 4,724.28

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Solution

The fourth proportional to 10,961.19, 16,453.49 and 4,724.28 is: 7,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.19 : 16,453.49 = 4,724.28 : x
  2. Step 2: Convert to fraction form
    10,961.19/16,453.49 = 4,724.28/x
  3. Step 3: Cross multiply
    10,961.19x = 16,453.49 × 4,724.28
  4. Step 4: Simplify right side
    10,961.19x = 77,730,870.12
  5. Step 5: Solve for x
    x = 77,730,870.12/10,961.19
  6. Step 6: Final answer
    x = 7,091.46

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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.