Home / 8,776.28-12,112.09-4,797.98

Finding the Fourth Proportional to 8,776.28, 12,112.09 and 4,797.98

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Solution

The fourth proportional to 8,776.28, 12,112.09 and 4,797.98 is: 6,621.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,776.28 : 12,112.09 = 4,797.98 : x
  2. Step 2: Convert to fraction form
    8,776.28/12,112.09 = 4,797.98/x
  3. Step 3: Cross multiply
    8,776.28x = 12,112.09 × 4,797.98
  4. Step 4: Simplify right side
    8,776.28x = 58,113,493.02
  5. Step 5: Solve for x
    x = 58,113,493.02/8,776.28
  6. Step 6: Final answer
    x = 6,621.66

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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.