Home / 9,580.26-13,220.76-5,331.71

Finding the Fourth Proportional to 9,580.26, 13,220.76 and 5,331.71

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Solution

The fourth proportional to 9,580.26, 13,220.76 and 5,331.71 is: 7,357.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.26 : 13,220.76 = 5,331.71 : x
  2. Step 2: Convert to fraction form
    9,580.26/13,220.76 = 5,331.71/x
  3. Step 3: Cross multiply
    9,580.26x = 13,220.76 × 5,331.71
  4. Step 4: Simplify right side
    9,580.26x = 70,489,258.30
  5. Step 5: Solve for x
    x = 70,489,258.30/9,580.26
  6. Step 6: Final answer
    x = 7,357.76

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