Home / 11,531.81-17,298.99-4,958.66

Finding the Fourth Proportional to 11,531.81, 17,298.99 and 4,958.66

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Solution

The fourth proportional to 11,531.81, 17,298.99 and 4,958.66 is: 7,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.81 : 17,298.99 = 4,958.66 : x
  2. Step 2: Convert to fraction form
    11,531.81/17,298.99 = 4,958.66/x
  3. Step 3: Cross multiply
    11,531.81x = 17,298.99 × 4,958.66
  4. Step 4: Simplify right side
    11,531.81x = 85,779,809.75
  5. Step 5: Solve for x
    x = 85,779,809.75/11,531.81
  6. Step 6: Final answer
    x = 7,438.54

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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.