Home / 11,300.65-16,939.67-5,367.08

Finding the Fourth Proportional to 11,300.65, 16,939.67 and 5,367.08

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Solution

The fourth proportional to 11,300.65, 16,939.67 and 5,367.08 is: 8,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.65 : 16,939.67 = 5,367.08 : x
  2. Step 2: Convert to fraction form
    11,300.65/16,939.67 = 5,367.08/x
  3. Step 3: Cross multiply
    11,300.65x = 16,939.67 × 5,367.08
  4. Step 4: Simplify right side
    11,300.65x = 90,916,579.58
  5. Step 5: Solve for x
    x = 90,916,579.58/11,300.65
  6. Step 6: Final answer
    x = 8,045.25

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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.