Home / 7,417.77-11,121.41-3,717.36

Finding the Fourth Proportional to 7,417.77, 11,121.41 and 3,717.36

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Solution

The fourth proportional to 7,417.77, 11,121.41 and 3,717.36 is: 5,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.77 : 11,121.41 = 3,717.36 : x
  2. Step 2: Convert to fraction form
    7,417.77/11,121.41 = 3,717.36/x
  3. Step 3: Cross multiply
    7,417.77x = 11,121.41 × 3,717.36
  4. Step 4: Simplify right side
    7,417.77x = 41,342,266.09
  5. Step 5: Solve for x
    x = 41,342,266.09/7,417.77
  6. Step 6: Final answer
    x = 5,573.41

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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.