Home / 7,555.22-11,336.54-3,398.16

Finding the Fourth Proportional to 7,555.22, 11,336.54 and 3,398.16

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Solution

The fourth proportional to 7,555.22, 11,336.54 and 3,398.16 is: 5,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.22 : 11,336.54 = 3,398.16 : x
  2. Step 2: Convert to fraction form
    7,555.22/11,336.54 = 3,398.16/x
  3. Step 3: Cross multiply
    7,555.22x = 11,336.54 × 3,398.16
  4. Step 4: Simplify right side
    7,555.22x = 38,523,359.78
  5. Step 5: Solve for x
    x = 38,523,359.78/7,555.22
  6. Step 6: Final answer
    x = 5,098.91

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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.