Home / 9,821.16-14,735.67-3,581.64

Finding the Fourth Proportional to 9,821.16, 14,735.67 and 3,581.64

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Solution

The fourth proportional to 9,821.16, 14,735.67 and 3,581.64 is: 5,373.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.16 : 14,735.67 = 3,581.64 : x
  2. Step 2: Convert to fraction form
    9,821.16/14,735.67 = 3,581.64/x
  3. Step 3: Cross multiply
    9,821.16x = 14,735.67 × 3,581.64
  4. Step 4: Simplify right side
    9,821.16x = 52,777,865.10
  5. Step 5: Solve for x
    x = 52,777,865.10/9,821.16
  6. Step 6: Final answer
    x = 5,373.89

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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.