Home / 11,077.92-15,288.44-6,299.36

Finding the Fourth Proportional to 11,077.92, 15,288.44 and 6,299.36

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Solution

The fourth proportional to 11,077.92, 15,288.44 and 6,299.36 is: 8,693.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.92 : 15,288.44 = 6,299.36 : x
  2. Step 2: Convert to fraction form
    11,077.92/15,288.44 = 6,299.36/x
  3. Step 3: Cross multiply
    11,077.92x = 15,288.44 × 6,299.36
  4. Step 4: Simplify right side
    11,077.92x = 96,307,279.46
  5. Step 5: Solve for x
    x = 96,307,279.46/11,077.92
  6. Step 6: Final answer
    x = 8,693.62

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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.