Home / 10,749.31-16,124.05-2,958.55

Finding the Fourth Proportional to 10,749.31, 16,124.05 and 2,958.55

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Solution

The fourth proportional to 10,749.31, 16,124.05 and 2,958.55 is: 4,437.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.31 : 16,124.05 = 2,958.55 : x
  2. Step 2: Convert to fraction form
    10,749.31/16,124.05 = 2,958.55/x
  3. Step 3: Cross multiply
    10,749.31x = 16,124.05 × 2,958.55
  4. Step 4: Simplify right side
    10,749.31x = 47,703,720.11
  5. Step 5: Solve for x
    x = 47,703,720.11/10,749.31
  6. Step 6: Final answer
    x = 4,437.84

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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.