Home / 10,871.13-14,998.76-6,090.43

Finding the Fourth Proportional to 10,871.13, 14,998.76 and 6,090.43

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Solution

The fourth proportional to 10,871.13, 14,998.76 and 6,090.43 is: 8,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,871.13 : 14,998.76 = 6,090.43 : x
  2. Step 2: Convert to fraction form
    10,871.13/14,998.76 = 6,090.43/x
  3. Step 3: Cross multiply
    10,871.13x = 14,998.76 × 6,090.43
  4. Step 4: Simplify right side
    10,871.13x = 91,348,935.36
  5. Step 5: Solve for x
    x = 91,348,935.36/10,871.13
  6. Step 6: Final answer
    x = 8,402.89

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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.