Home / 10,361.21-14,294.19-7,219.22

Finding the Fourth Proportional to 10,361.21, 14,294.19 and 7,219.22

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Solution

The fourth proportional to 10,361.21, 14,294.19 and 7,219.22 is: 9,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.21 : 14,294.19 = 7,219.22 : x
  2. Step 2: Convert to fraction form
    10,361.21/14,294.19 = 7,219.22/x
  3. Step 3: Cross multiply
    10,361.21x = 14,294.19 × 7,219.22
  4. Step 4: Simplify right side
    10,361.21x = 103,192,902.33
  5. Step 5: Solve for x
    x = 103,192,902.33/10,361.21
  6. Step 6: Final answer
    x = 9,959.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.