Home / 9,317.97-13,977.48-3,771.20

Finding the Fourth Proportional to 9,317.97, 13,977.48 and 3,771.20

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Solution

The fourth proportional to 9,317.97, 13,977.48 and 3,771.20 is: 5,657.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.97 : 13,977.48 = 3,771.20 : x
  2. Step 2: Convert to fraction form
    9,317.97/13,977.48 = 3,771.20/x
  3. Step 3: Cross multiply
    9,317.97x = 13,977.48 × 3,771.20
  4. Step 4: Simplify right side
    9,317.97x = 52,711,802.69
  5. Step 5: Solve for x
    x = 52,711,802.69/9,317.97
  6. Step 6: Final answer
    x = 5,657.00

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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.