Home / 9,399.17-12,936.34-8,057.81

Finding the Fourth Proportional to 9,399.17, 12,936.34 and 8,057.81

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Solution

The fourth proportional to 9,399.17, 12,936.34 and 8,057.81 is: 11,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,399.17 : 12,936.34 = 8,057.81 : x
  2. Step 2: Convert to fraction form
    9,399.17/12,936.34 = 8,057.81/x
  3. Step 3: Cross multiply
    9,399.17x = 12,936.34 × 8,057.81
  4. Step 4: Simplify right side
    9,399.17x = 104,238,612.23
  5. Step 5: Solve for x
    x = 104,238,612.23/9,399.17
  6. Step 6: Final answer
    x = 11,090.19

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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.