Home / 8,090.08-11,161.60-5,260.95

Finding the Fourth Proportional to 8,090.08, 11,161.60 and 5,260.95

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Solution

The fourth proportional to 8,090.08, 11,161.60 and 5,260.95 is: 7,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.08 : 11,161.60 = 5,260.95 : x
  2. Step 2: Convert to fraction form
    8,090.08/11,161.60 = 5,260.95/x
  3. Step 3: Cross multiply
    8,090.08x = 11,161.60 × 5,260.95
  4. Step 4: Simplify right side
    8,090.08x = 58,720,606.37
  5. Step 5: Solve for x
    x = 58,720,606.37/8,090.08
  6. Step 6: Final answer
    x = 7,258.35

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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.