Home / 10,961.36-16,430.52-5,765.84

Finding the Fourth Proportional to 10,961.36, 16,430.52 and 5,765.84

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Solution

The fourth proportional to 10,961.36, 16,430.52 and 5,765.84 is: 8,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.36 : 16,430.52 = 5,765.84 : x
  2. Step 2: Convert to fraction form
    10,961.36/16,430.52 = 5,765.84/x
  3. Step 3: Cross multiply
    10,961.36x = 16,430.52 × 5,765.84
  4. Step 4: Simplify right side
    10,961.36x = 94,735,749.44
  5. Step 5: Solve for x
    x = 94,735,749.44/10,961.36
  6. Step 6: Final answer
    x = 8,642.70

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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.