Home / 7,416.22-10,223.49-5,644.75

Finding the Fourth Proportional to 7,416.22, 10,223.49 and 5,644.75

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Solution

The fourth proportional to 7,416.22, 10,223.49 and 5,644.75 is: 7,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.22 : 10,223.49 = 5,644.75 : x
  2. Step 2: Convert to fraction form
    7,416.22/10,223.49 = 5,644.75/x
  3. Step 3: Cross multiply
    7,416.22x = 10,223.49 × 5,644.75
  4. Step 4: Simplify right side
    7,416.22x = 57,709,045.18
  5. Step 5: Solve for x
    x = 57,709,045.18/7,416.22
  6. Step 6: Final answer
    x = 7,781.46

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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.