Home / 11,041.44-16,548.12-5,190

Finding the Fourth Proportional to 11,041.44, 16,548.12 and 5,190

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Solution

The fourth proportional to 11,041.44, 16,548.12 and 5,190 is: 7,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,041.44 : 16,548.12 = 5,190 : x
  2. Step 2: Convert to fraction form
    11,041.44/16,548.12 = 5,190/x
  3. Step 3: Cross multiply
    11,041.44x = 16,548.12 × 5,190
  4. Step 4: Simplify right side
    11,041.44x = 85,884,742.80
  5. Step 5: Solve for x
    x = 85,884,742.80/11,041.44
  6. Step 6: Final answer
    x = 7,778.40

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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.