Home / 7,571.23-11,358.73-7,445.66

Finding the Fourth Proportional to 7,571.23, 11,358.73 and 7,445.66

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Solution

The fourth proportional to 7,571.23, 11,358.73 and 7,445.66 is: 11,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.23 : 11,358.73 = 7,445.66 : x
  2. Step 2: Convert to fraction form
    7,571.23/11,358.73 = 7,445.66/x
  3. Step 3: Cross multiply
    7,571.23x = 11,358.73 × 7,445.66
  4. Step 4: Simplify right side
    7,571.23x = 84,573,241.61
  5. Step 5: Solve for x
    x = 84,573,241.61/7,571.23
  6. Step 6: Final answer
    x = 11,170.34

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.