Home / 9,396.18-14,079.69-7,821.54

Finding the Fourth Proportional to 9,396.18, 14,079.69 and 7,821.54

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Solution

The fourth proportional to 9,396.18, 14,079.69 and 7,821.54 is: 11,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,396.18 : 14,079.69 = 7,821.54 : x
  2. Step 2: Convert to fraction form
    9,396.18/14,079.69 = 7,821.54/x
  3. Step 3: Cross multiply
    9,396.18x = 14,079.69 × 7,821.54
  4. Step 4: Simplify right side
    9,396.18x = 110,124,858.52
  5. Step 5: Solve for x
    x = 110,124,858.52/9,396.18
  6. Step 6: Final answer
    x = 11,720.17

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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.