Home / 10,950.24-16,428.09-3,159.05

Finding the Fourth Proportional to 10,950.24, 16,428.09 and 3,159.05

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Solution

The fourth proportional to 10,950.24, 16,428.09 and 3,159.05 is: 4,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,950.24 : 16,428.09 = 3,159.05 : x
  2. Step 2: Convert to fraction form
    10,950.24/16,428.09 = 3,159.05/x
  3. Step 3: Cross multiply
    10,950.24x = 16,428.09 × 3,159.05
  4. Step 4: Simplify right side
    10,950.24x = 51,897,157.71
  5. Step 5: Solve for x
    x = 51,897,157.71/10,950.24
  6. Step 6: Final answer
    x = 4,739.36

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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.