Home / 7,916.83-11,878.10-3,703.79

Finding the Fourth Proportional to 7,916.83, 11,878.10 and 3,703.79

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Solution

The fourth proportional to 7,916.83, 11,878.10 and 3,703.79 is: 5,557.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.83 : 11,878.10 = 3,703.79 : x
  2. Step 2: Convert to fraction form
    7,916.83/11,878.10 = 3,703.79/x
  3. Step 3: Cross multiply
    7,916.83x = 11,878.10 × 3,703.79
  4. Step 4: Simplify right side
    7,916.83x = 43,993,988.00
  5. Step 5: Solve for x
    x = 43,993,988.00/7,916.83
  6. Step 6: Final answer
    x = 5,557.02

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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.