Home / 11,114.31-16,681.90-5,853.21

Finding the Fourth Proportional to 11,114.31, 16,681.90 and 5,853.21

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Solution

The fourth proportional to 11,114.31, 16,681.90 and 5,853.21 is: 8,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.31 : 16,681.90 = 5,853.21 : x
  2. Step 2: Convert to fraction form
    11,114.31/16,681.90 = 5,853.21/x
  3. Step 3: Cross multiply
    11,114.31x = 16,681.90 × 5,853.21
  4. Step 4: Simplify right side
    11,114.31x = 97,642,663.90
  5. Step 5: Solve for x
    x = 97,642,663.90/11,114.31
  6. Step 6: Final answer
    x = 8,785.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.