Home / 8,090.93-11,165.19-4,505.76

Finding the Fourth Proportional to 8,090.93, 11,165.19 and 4,505.76

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Solution

The fourth proportional to 8,090.93, 11,165.19 and 4,505.76 is: 6,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,090.93 : 11,165.19 = 4,505.76 : x
  2. Step 2: Convert to fraction form
    8,090.93/11,165.19 = 4,505.76/x
  3. Step 3: Cross multiply
    8,090.93x = 11,165.19 × 4,505.76
  4. Step 4: Simplify right side
    8,090.93x = 50,307,666.49
  5. Step 5: Solve for x
    x = 50,307,666.49/8,090.93
  6. Step 6: Final answer
    x = 6,217.79

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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.