Home / 11,269.80-16,901.10-4,694.40

Finding the Fourth Proportional to 11,269.80, 16,901.10 and 4,694.40

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Solution

The fourth proportional to 11,269.80, 16,901.10 and 4,694.40 is: 7,040.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,269.80 : 16,901.10 = 4,694.40 : x
  2. Step 2: Convert to fraction form
    11,269.80/16,901.10 = 4,694.40/x
  3. Step 3: Cross multiply
    11,269.80x = 16,901.10 × 4,694.40
  4. Step 4: Simplify right side
    11,269.80x = 79,340,523.84
  5. Step 5: Solve for x
    x = 79,340,523.84/11,269.80
  6. Step 6: Final answer
    x = 7,040.10

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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.