Home / 7,833.78-11,753.91-4,715.69

Finding the Fourth Proportional to 7,833.78, 11,753.91 and 4,715.69

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Solution

The fourth proportional to 7,833.78, 11,753.91 and 4,715.69 is: 7,075.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,833.78 : 11,753.91 = 4,715.69 : x
  2. Step 2: Convert to fraction form
    7,833.78/11,753.91 = 4,715.69/x
  3. Step 3: Cross multiply
    7,833.78x = 11,753.91 × 4,715.69
  4. Step 4: Simplify right side
    7,833.78x = 55,427,737.08
  5. Step 5: Solve for x
    x = 55,427,737.08/7,833.78
  6. Step 6: Final answer
    x = 7,075.48

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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.