Home / 7,385.43-10,189.32-4,734.30

Finding the Fourth Proportional to 7,385.43, 10,189.32 and 4,734.30

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Solution

The fourth proportional to 7,385.43, 10,189.32 and 4,734.30 is: 6,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,385.43 : 10,189.32 = 4,734.30 : x
  2. Step 2: Convert to fraction form
    7,385.43/10,189.32 = 4,734.30/x
  3. Step 3: Cross multiply
    7,385.43x = 10,189.32 × 4,734.30
  4. Step 4: Simplify right side
    7,385.43x = 48,239,297.68
  5. Step 5: Solve for x
    x = 48,239,297.68/7,385.43
  6. Step 6: Final answer
    x = 6,531.68

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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.