Home / 11,245.80-16,868.88-5,004.36

Finding the Fourth Proportional to 11,245.80, 16,868.88 and 5,004.36

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Solution

The fourth proportional to 11,245.80, 16,868.88 and 5,004.36 is: 7,506.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.80 : 16,868.88 = 5,004.36 : x
  2. Step 2: Convert to fraction form
    11,245.80/16,868.88 = 5,004.36/x
  3. Step 3: Cross multiply
    11,245.80x = 16,868.88 × 5,004.36
  4. Step 4: Simplify right side
    11,245.80x = 84,417,948.32
  5. Step 5: Solve for x
    x = 84,417,948.32/11,245.80
  6. Step 6: Final answer
    x = 7,506.62

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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.