Home / 9,821.72-13,550.90-5,572.46

Finding the Fourth Proportional to 9,821.72, 13,550.90 and 5,572.46

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Solution

The fourth proportional to 9,821.72, 13,550.90 and 5,572.46 is: 7,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.72 : 13,550.90 = 5,572.46 : x
  2. Step 2: Convert to fraction form
    9,821.72/13,550.90 = 5,572.46/x
  3. Step 3: Cross multiply
    9,821.72x = 13,550.90 × 5,572.46
  4. Step 4: Simplify right side
    9,821.72x = 75,511,848.21
  5. Step 5: Solve for x
    x = 75,511,848.21/9,821.72
  6. Step 6: Final answer
    x = 7,688.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.