Home / 8,776.08-13,156.29-3,228.09

Finding the Fourth Proportional to 8,776.08, 13,156.29 and 3,228.09

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Solution

The fourth proportional to 8,776.08, 13,156.29 and 3,228.09 is: 4,839.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.08 : 13,156.29 = 3,228.09 : x
  2. Step 2: Convert to fraction form
    8,776.08/13,156.29 = 3,228.09/x
  3. Step 3: Cross multiply
    8,776.08x = 13,156.29 × 3,228.09
  4. Step 4: Simplify right side
    8,776.08x = 42,469,688.19
  5. Step 5: Solve for x
    x = 42,469,688.19/8,776.08
  6. Step 6: Final answer
    x = 4,839.25

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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.