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Finding the Fourth Proportional to 8,866.79, 12,236.01 and 4,833.66

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Solution

The fourth proportional to 8,866.79, 12,236.01 and 4,833.66 is: 6,670.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.79 : 12,236.01 = 4,833.66 : x
  2. Step 2: Convert to fraction form
    8,866.79/12,236.01 = 4,833.66/x
  3. Step 3: Cross multiply
    8,866.79x = 12,236.01 × 4,833.66
  4. Step 4: Simplify right side
    8,866.79x = 59,144,712.10
  5. Step 5: Solve for x
    x = 59,144,712.10/8,866.79
  6. Step 6: Final answer
    x = 6,670.36

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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.