Home / 11,246.80-16,870.38-5,005.36

Finding the Fourth Proportional to 11,246.80, 16,870.38 and 5,005.36

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Solution

The fourth proportional to 11,246.80, 16,870.38 and 5,005.36 is: 7,508.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.80 : 16,870.38 = 5,005.36 : x
  2. Step 2: Convert to fraction form
    11,246.80/16,870.38 = 5,005.36/x
  3. Step 3: Cross multiply
    11,246.80x = 16,870.38 × 5,005.36
  4. Step 4: Simplify right side
    11,246.80x = 84,442,325.24
  5. Step 5: Solve for x
    x = 84,442,325.24/11,246.80
  6. Step 6: Final answer
    x = 7,508.12

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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.