Home / 8,456.32-11,665.84-5,473.12

Finding the Fourth Proportional to 8,456.32, 11,665.84 and 5,473.12

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Solution

The fourth proportional to 8,456.32, 11,665.84 and 5,473.12 is: 7,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.32 : 11,665.84 = 5,473.12 : x
  2. Step 2: Convert to fraction form
    8,456.32/11,665.84 = 5,473.12/x
  3. Step 3: Cross multiply
    8,456.32x = 11,665.84 × 5,473.12
  4. Step 4: Simplify right side
    8,456.32x = 63,848,542.22
  5. Step 5: Solve for x
    x = 63,848,542.22/8,456.32
  6. Step 6: Final answer
    x = 7,550.39

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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.