Home / 10,035.45-15,043.25-4,761.20

Finding the Fourth Proportional to 10,035.45, 15,043.25 and 4,761.20

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Solution

The fourth proportional to 10,035.45, 15,043.25 and 4,761.20 is: 7,137.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,035.45 : 15,043.25 = 4,761.20 : x
  2. Step 2: Convert to fraction form
    10,035.45/15,043.25 = 4,761.20/x
  3. Step 3: Cross multiply
    10,035.45x = 15,043.25 × 4,761.20
  4. Step 4: Simplify right side
    10,035.45x = 71,623,822.88
  5. Step 5: Solve for x
    x = 71,623,822.88/10,035.45
  6. Step 6: Final answer
    x = 7,137.08

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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.