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Finding the Fourth Proportional to 8,786.63, 12,127.49 and 6,064.98

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Solution

The fourth proportional to 8,786.63, 12,127.49 and 6,064.98 is: 8,371.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.63 : 12,127.49 = 6,064.98 : x
  2. Step 2: Convert to fraction form
    8,786.63/12,127.49 = 6,064.98/x
  3. Step 3: Cross multiply
    8,786.63x = 12,127.49 × 6,064.98
  4. Step 4: Simplify right side
    8,786.63x = 73,552,984.30
  5. Step 5: Solve for x
    x = 73,552,984.30/8,786.63
  6. Step 6: Final answer
    x = 8,371.01

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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.