Home / 11,318.92-15,617.37-7,339.48

Finding the Fourth Proportional to 11,318.92, 15,617.37 and 7,339.48

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Solution

The fourth proportional to 11,318.92, 15,617.37 and 7,339.48 is: 10,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.92 : 15,617.37 = 7,339.48 : x
  2. Step 2: Convert to fraction form
    11,318.92/15,617.37 = 7,339.48/x
  3. Step 3: Cross multiply
    11,318.92x = 15,617.37 × 7,339.48
  4. Step 4: Simplify right side
    11,318.92x = 114,623,374.77
  5. Step 5: Solve for x
    x = 114,623,374.77/11,318.92
  6. Step 6: Final answer
    x = 10,126.71

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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.