Home / 8,456.76-11,673.60-7,571.02

Finding the Fourth Proportional to 8,456.76, 11,673.60 and 7,571.02

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Solution

The fourth proportional to 8,456.76, 11,673.60 and 7,571.02 is: 10,450.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.76 : 11,673.60 = 7,571.02 : x
  2. Step 2: Convert to fraction form
    8,456.76/11,673.60 = 7,571.02/x
  3. Step 3: Cross multiply
    8,456.76x = 11,673.60 × 7,571.02
  4. Step 4: Simplify right side
    8,456.76x = 88,381,059.07
  5. Step 5: Solve for x
    x = 88,381,059.07/8,456.76
  6. Step 6: Final answer
    x = 10,450.94

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.