Home / 11,572.12-17,356.74-3,780.28

Finding the Fourth Proportional to 11,572.12, 17,356.74 and 3,780.28

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Solution

The fourth proportional to 11,572.12, 17,356.74 and 3,780.28 is: 5,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.12 : 17,356.74 = 3,780.28 : x
  2. Step 2: Convert to fraction form
    11,572.12/17,356.74 = 3,780.28/x
  3. Step 3: Cross multiply
    11,572.12x = 17,356.74 × 3,780.28
  4. Step 4: Simplify right side
    11,572.12x = 65,613,337.09
  5. Step 5: Solve for x
    x = 65,613,337.09/11,572.12
  6. Step 6: Final answer
    x = 5,669.95

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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.