Home / 11,319.65-16,983.52-5,774.39

Finding the Fourth Proportional to 11,319.65, 16,983.52 and 5,774.39

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Solution

The fourth proportional to 11,319.65, 16,983.52 and 5,774.39 is: 8,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.65 : 16,983.52 = 5,774.39 : x
  2. Step 2: Convert to fraction form
    11,319.65/16,983.52 = 5,774.39/x
  3. Step 3: Cross multiply
    11,319.65x = 16,983.52 × 5,774.39
  4. Step 4: Simplify right side
    11,319.65x = 98,069,354.26
  5. Step 5: Solve for x
    x = 98,069,354.26/11,319.65
  6. Step 6: Final answer
    x = 8,663.64

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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.