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Finding the Fourth Proportional to 10,847.14, 14,959.95 and 8,605.46

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Solution

The fourth proportional to 10,847.14, 14,959.95 and 8,605.46 is: 11,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.14 : 14,959.95 = 8,605.46 : x
  2. Step 2: Convert to fraction form
    10,847.14/14,959.95 = 8,605.46/x
  3. Step 3: Cross multiply
    10,847.14x = 14,959.95 × 8,605.46
  4. Step 4: Simplify right side
    10,847.14x = 128,737,251.33
  5. Step 5: Solve for x
    x = 128,737,251.33/10,847.14
  6. Step 6: Final answer
    x = 11,868.31

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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.