Home / 10,368.88-15,550.13-2,971.36

Finding the Fourth Proportional to 10,368.88, 15,550.13 and 2,971.36

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Solution

The fourth proportional to 10,368.88, 15,550.13 and 2,971.36 is: 4,456.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368.88 : 15,550.13 = 2,971.36 : x
  2. Step 2: Convert to fraction form
    10,368.88/15,550.13 = 2,971.36/x
  3. Step 3: Cross multiply
    10,368.88x = 15,550.13 × 2,971.36
  4. Step 4: Simplify right side
    10,368.88x = 46,204,956.53
  5. Step 5: Solve for x
    x = 46,204,956.53/10,368.88
  6. Step 6: Final answer
    x = 4,456.12

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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.