Home / 9,606.76-13,257.32-5,190.76

Finding the Fourth Proportional to 9,606.76, 13,257.32 and 5,190.76

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Solution

The fourth proportional to 9,606.76, 13,257.32 and 5,190.76 is: 7,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,606.76 : 13,257.32 = 5,190.76 : x
  2. Step 2: Convert to fraction form
    9,606.76/13,257.32 = 5,190.76/x
  3. Step 3: Cross multiply
    9,606.76x = 13,257.32 × 5,190.76
  4. Step 4: Simplify right side
    9,606.76x = 68,815,566.36
  5. Step 5: Solve for x
    x = 68,815,566.36/9,606.76
  6. Step 6: Final answer
    x = 7,163.24

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Half scale
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Double scale
Find fourth proportional to 9,607.76, 13,258.70 and 5,191.76
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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.