Home / 7,450.76-11,120.37-7,327.74

Finding the Fourth Proportional to 7,450.76, 11,120.37 and 7,327.74

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Solution

The fourth proportional to 7,450.76, 11,120.37 and 7,327.74 is: 10,936.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,450.76 : 11,120.37 = 7,327.74 : x
  2. Step 2: Convert to fraction form
    7,450.76/11,120.37 = 7,327.74/x
  3. Step 3: Cross multiply
    7,450.76x = 11,120.37 × 7,327.74
  4. Step 4: Simplify right side
    7,450.76x = 81,487,180.06
  5. Step 5: Solve for x
    x = 81,487,180.06/7,450.76
  6. Step 6: Final answer
    x = 10,936.77

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.