Home / 7,778.22-10,734.08-4,636.23

Finding the Fourth Proportional to 7,778.22, 10,734.08 and 4,636.23

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Solution

The fourth proportional to 7,778.22, 10,734.08 and 4,636.23 is: 6,398.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.22 : 10,734.08 = 4,636.23 : x
  2. Step 2: Convert to fraction form
    7,778.22/10,734.08 = 4,636.23/x
  3. Step 3: Cross multiply
    7,778.22x = 10,734.08 × 4,636.23
  4. Step 4: Simplify right side
    7,778.22x = 49,765,663.72
  5. Step 5: Solve for x
    x = 49,765,663.72/7,778.22
  6. Step 6: Final answer
    x = 6,398.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.