Home / 8,184.24-12,277.28-2,636.32

Finding the Fourth Proportional to 8,184.24, 12,277.28 and 2,636.32

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Solution

The fourth proportional to 8,184.24, 12,277.28 and 2,636.32 is: 3,954.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.24 : 12,277.28 = 2,636.32 : x
  2. Step 2: Convert to fraction form
    8,184.24/12,277.28 = 2,636.32/x
  3. Step 3: Cross multiply
    8,184.24x = 12,277.28 × 2,636.32
  4. Step 4: Simplify right side
    8,184.24x = 32,366,838.81
  5. Step 5: Solve for x
    x = 32,366,838.81/8,184.24
  6. Step 6: Final answer
    x = 3,954.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.