Home / 7,488.02-11,224.68-6,379.94

Finding the Fourth Proportional to 7,488.02, 11,224.68 and 6,379.94

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Solution

The fourth proportional to 7,488.02, 11,224.68 and 6,379.94 is: 9,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.02 : 11,224.68 = 6,379.94 : x
  2. Step 2: Convert to fraction form
    7,488.02/11,224.68 = 6,379.94/x
  3. Step 3: Cross multiply
    7,488.02x = 11,224.68 × 6,379.94
  4. Step 4: Simplify right side
    7,488.02x = 71,612,784.92
  5. Step 5: Solve for x
    x = 71,612,784.92/7,488.02
  6. Step 6: Final answer
    x = 9,563.65

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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.