Home / 8,190.92-11,302.68-5,541.92

Finding the Fourth Proportional to 8,190.92, 11,302.68 and 5,541.92

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Solution

The fourth proportional to 8,190.92, 11,302.68 and 5,541.92 is: 7,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190.92 : 11,302.68 = 5,541.92 : x
  2. Step 2: Convert to fraction form
    8,190.92/11,302.68 = 5,541.92/x
  3. Step 3: Cross multiply
    8,190.92x = 11,302.68 × 5,541.92
  4. Step 4: Simplify right side
    8,190.92x = 62,638,548.35
  5. Step 5: Solve for x
    x = 62,638,548.35/8,190.92
  6. Step 6: Final answer
    x = 7,647.32

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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.