Home / 7,941.17-11,916.32-3,009.49

Finding the Fourth Proportional to 7,941.17, 11,916.32 and 3,009.49

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Solution

The fourth proportional to 7,941.17, 11,916.32 and 3,009.49 is: 4,515.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.17 : 11,916.32 = 3,009.49 : x
  2. Step 2: Convert to fraction form
    7,941.17/11,916.32 = 3,009.49/x
  3. Step 3: Cross multiply
    7,941.17x = 11,916.32 × 3,009.49
  4. Step 4: Simplify right side
    7,941.17x = 35,862,001.04
  5. Step 5: Solve for x
    x = 35,862,001.04/7,941.17
  6. Step 6: Final answer
    x = 4,515.96

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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.