Home / 10,540.36-15,810.54-2,749.96

Finding the Fourth Proportional to 10,540.36, 15,810.54 and 2,749.96

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Solution

The fourth proportional to 10,540.36, 15,810.54 and 2,749.96 is: 4,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.36 : 15,810.54 = 2,749.96 : x
  2. Step 2: Convert to fraction form
    10,540.36/15,810.54 = 2,749.96/x
  3. Step 3: Cross multiply
    10,540.36x = 15,810.54 × 2,749.96
  4. Step 4: Simplify right side
    10,540.36x = 43,478,352.58
  5. Step 5: Solve for x
    x = 43,478,352.58/10,540.36
  6. Step 6: Final answer
    x = 4,124.94

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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.