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Finding the Fourth Proportional to 11,300.80, 15,596.20 and 6,266.66

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Solution

The fourth proportional to 11,300.80, 15,596.20 and 6,266.66 is: 8,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.80 : 15,596.20 = 6,266.66 : x
  2. Step 2: Convert to fraction form
    11,300.80/15,596.20 = 6,266.66/x
  3. Step 3: Cross multiply
    11,300.80x = 15,596.20 × 6,266.66
  4. Step 4: Simplify right side
    11,300.80x = 97,736,082.69
  5. Step 5: Solve for x
    x = 97,736,082.69/11,300.80
  6. Step 6: Final answer
    x = 8,648.60

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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.