Home / 7,371.12-10,172.18-4,014

Finding the Fourth Proportional to 7,371.12, 10,172.18 and 4,014

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Solution

The fourth proportional to 7,371.12, 10,172.18 and 4,014 is: 5,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.12 : 10,172.18 = 4,014 : x
  2. Step 2: Convert to fraction form
    7,371.12/10,172.18 = 4,014/x
  3. Step 3: Cross multiply
    7,371.12x = 10,172.18 × 4,014
  4. Step 4: Simplify right side
    7,371.12x = 40,831,130.52
  5. Step 5: Solve for x
    x = 40,831,130.52/7,371.12
  6. Step 6: Final answer
    x = 5,539.34

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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.