Home / 11,317.92-15,615.99-7,338.48

Finding the Fourth Proportional to 11,317.92, 15,615.99 and 7,338.48

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Solution

The fourth proportional to 11,317.92, 15,615.99 and 7,338.48 is: 10,125.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.92 : 15,615.99 = 7,338.48 : x
  2. Step 2: Convert to fraction form
    11,317.92/15,615.99 = 7,338.48/x
  3. Step 3: Cross multiply
    11,317.92x = 15,615.99 × 7,338.48
  4. Step 4: Simplify right side
    11,317.92x = 114,597,630.30
  5. Step 5: Solve for x
    x = 114,597,630.30/11,317.92
  6. Step 6: Final answer
    x = 10,125.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.