Home / 8,645.92-11,914.68-6,284.32

Finding the Fourth Proportional to 8,645.92, 11,914.68 and 6,284.32

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Solution

The fourth proportional to 8,645.92, 11,914.68 and 6,284.32 is: 8,660.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,645.92 : 11,914.68 = 6,284.32 : x
  2. Step 2: Convert to fraction form
    8,645.92/11,914.68 = 6,284.32/x
  3. Step 3: Cross multiply
    8,645.92x = 11,914.68 × 6,284.32
  4. Step 4: Simplify right side
    8,645.92x = 74,875,661.82
  5. Step 5: Solve for x
    x = 74,875,661.82/8,645.92
  6. Step 6: Final answer
    x = 8,660.23

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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.