Home / 7,636.22-11,458.21-3,475.66

Finding the Fourth Proportional to 7,636.22, 11,458.21 and 3,475.66

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Solution

The fourth proportional to 7,636.22, 11,458.21 and 3,475.66 is: 5,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,636.22 : 11,458.21 = 3,475.66 : x
  2. Step 2: Convert to fraction form
    7,636.22/11,458.21 = 3,475.66/x
  3. Step 3: Cross multiply
    7,636.22x = 11,458.21 × 3,475.66
  4. Step 4: Simplify right side
    7,636.22x = 39,824,832.83
  5. Step 5: Solve for x
    x = 39,824,832.83/7,636.22
  6. Step 6: Final answer
    x = 5,215.25

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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.