Home / 7,916.44-11,871.30-2,368.12

Finding the Fourth Proportional to 7,916.44, 11,871.30 and 2,368.12

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Solution

The fourth proportional to 7,916.44, 11,871.30 and 2,368.12 is: 3,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.44 : 11,871.30 = 2,368.12 : x
  2. Step 2: Convert to fraction form
    7,916.44/11,871.30 = 2,368.12/x
  3. Step 3: Cross multiply
    7,916.44x = 11,871.30 × 2,368.12
  4. Step 4: Simplify right side
    7,916.44x = 28,112,662.96
  5. Step 5: Solve for x
    x = 28,112,662.96/7,916.44
  6. Step 6: Final answer
    x = 3,551.17

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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.