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Finding the Fourth Proportional to 8,846.76, 12,206.88 and 5,262.90

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Solution

The fourth proportional to 8,846.76, 12,206.88 and 5,262.90 is: 7,261.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.76 : 12,206.88 = 5,262.90 : x
  2. Step 2: Convert to fraction form
    8,846.76/12,206.88 = 5,262.90/x
  3. Step 3: Cross multiply
    8,846.76x = 12,206.88 × 5,262.90
  4. Step 4: Simplify right side
    8,846.76x = 64,243,588.75
  5. Step 5: Solve for x
    x = 64,243,588.75/8,846.76
  6. Step 6: Final answer
    x = 7,261.82

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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.