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Finding the Fourth Proportional to 11,059.88, 15,210.36 and 8,795.12

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Solution

The fourth proportional to 11,059.88, 15,210.36 and 8,795.12 is: 12,095.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.88 : 15,210.36 = 8,795.12 : x
  2. Step 2: Convert to fraction form
    11,059.88/15,210.36 = 8,795.12/x
  3. Step 3: Cross multiply
    11,059.88x = 15,210.36 × 8,795.12
  4. Step 4: Simplify right side
    11,059.88x = 133,776,865.39
  5. Step 5: Solve for x
    x = 133,776,865.39/11,059.88
  6. Step 6: Final answer
    x = 12,095.69

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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.