Home / 7,424.87-11,137.25-3,042.32

Finding the Fourth Proportional to 7,424.87, 11,137.25 and 3,042.32

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Solution

The fourth proportional to 7,424.87, 11,137.25 and 3,042.32 is: 4,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.87 : 11,137.25 = 3,042.32 : x
  2. Step 2: Convert to fraction form
    7,424.87/11,137.25 = 3,042.32/x
  3. Step 3: Cross multiply
    7,424.87x = 11,137.25 × 3,042.32
  4. Step 4: Simplify right side
    7,424.87x = 33,883,030.34
  5. Step 5: Solve for x
    x = 33,883,030.34/7,424.87
  6. Step 6: Final answer
    x = 4,563.45

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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.