Home / 10,108.89-15,163.40-3,089.99

Finding the Fourth Proportional to 10,108.89, 15,163.40 and 3,089.99

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Solution

The fourth proportional to 10,108.89, 15,163.40 and 3,089.99 is: 4,635.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.89 : 15,163.40 = 3,089.99 : x
  2. Step 2: Convert to fraction form
    10,108.89/15,163.40 = 3,089.99/x
  3. Step 3: Cross multiply
    10,108.89x = 15,163.40 × 3,089.99
  4. Step 4: Simplify right side
    10,108.89x = 46,854,663.10
  5. Step 5: Solve for x
    x = 46,854,663.10/10,108.89
  6. Step 6: Final answer
    x = 4,635.00

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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.