Home / 9,172.20-13,750.50-4,724.82

Finding the Fourth Proportional to 9,172.20, 13,750.50 and 4,724.82

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Solution

The fourth proportional to 9,172.20, 13,750.50 and 4,724.82 is: 7,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.20 : 13,750.50 = 4,724.82 : x
  2. Step 2: Convert to fraction form
    9,172.20/13,750.50 = 4,724.82/x
  3. Step 3: Cross multiply
    9,172.20x = 13,750.50 × 4,724.82
  4. Step 4: Simplify right side
    9,172.20x = 64,968,637.41
  5. Step 5: Solve for x
    x = 64,968,637.41/9,172.20
  6. Step 6: Final answer
    x = 7,083.21

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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.