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Finding the Fourth Proportional to 8,765.07, 12,095.97 and 4,786.34

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Solution

The fourth proportional to 8,765.07, 12,095.97 and 4,786.34 is: 6,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.07 : 12,095.97 = 4,786.34 : x
  2. Step 2: Convert to fraction form
    8,765.07/12,095.97 = 4,786.34/x
  3. Step 3: Cross multiply
    8,765.07x = 12,095.97 × 4,786.34
  4. Step 4: Simplify right side
    8,765.07x = 57,895,425.05
  5. Step 5: Solve for x
    x = 57,895,425.05/8,765.07
  6. Step 6: Final answer
    x = 6,605.24

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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.