Home / 7,351.45-11,013.28-5,699.91

Finding the Fourth Proportional to 7,351.45, 11,013.28 and 5,699.91

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Solution

The fourth proportional to 7,351.45, 11,013.28 and 5,699.91 is: 8,539.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.45 : 11,013.28 = 5,699.91 : x
  2. Step 2: Convert to fraction form
    7,351.45/11,013.28 = 5,699.91/x
  3. Step 3: Cross multiply
    7,351.45x = 11,013.28 × 5,699.91
  4. Step 4: Simplify right side
    7,351.45x = 62,774,704.80
  5. Step 5: Solve for x
    x = 62,774,704.80/7,351.45
  6. Step 6: Final answer
    x = 8,539.09

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1.5x scale

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.