Home / 8,342.82-11,506.46-5,358.96

Finding the Fourth Proportional to 8,342.82, 11,506.46 and 5,358.96

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Solution

The fourth proportional to 8,342.82, 11,506.46 and 5,358.96 is: 7,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.82 : 11,506.46 = 5,358.96 : x
  2. Step 2: Convert to fraction form
    8,342.82/11,506.46 = 5,358.96/x
  3. Step 3: Cross multiply
    8,342.82x = 11,506.46 × 5,358.96
  4. Step 4: Simplify right side
    8,342.82x = 61,662,632.09
  5. Step 5: Solve for x
    x = 61,662,632.09/8,342.82
  6. Step 6: Final answer
    x = 7,391.10

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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.