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Finding the Fourth Proportional to 11,323.66, 15,635.98 and 7,351.60

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Solution

The fourth proportional to 11,323.66, 15,635.98 and 7,351.60 is: 10,151.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,323.66 : 15,635.98 = 7,351.60 : x
  2. Step 2: Convert to fraction form
    11,323.66/15,635.98 = 7,351.60/x
  3. Step 3: Cross multiply
    11,323.66x = 15,635.98 × 7,351.60
  4. Step 4: Simplify right side
    11,323.66x = 114,949,470.57
  5. Step 5: Solve for x
    x = 114,949,470.57/11,323.66
  6. Step 6: Final answer
    x = 10,151.26

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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.