Home / 9,821.22-14,731.44-3,247.20

Finding the Fourth Proportional to 9,821.22, 14,731.44 and 3,247.20

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Solution

The fourth proportional to 9,821.22, 14,731.44 and 3,247.20 is: 4,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.22 : 14,731.44 = 3,247.20 : x
  2. Step 2: Convert to fraction form
    9,821.22/14,731.44 = 3,247.20/x
  3. Step 3: Cross multiply
    9,821.22x = 14,731.44 × 3,247.20
  4. Step 4: Simplify right side
    9,821.22x = 47,835,931.97
  5. Step 5: Solve for x
    x = 47,835,931.97/9,821.22
  6. Step 6: Final answer
    x = 4,870.67

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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.