Home / 7,645.47-10,550.85-4,620.16

Finding the Fourth Proportional to 7,645.47, 10,550.85 and 4,620.16

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Solution

The fourth proportional to 7,645.47, 10,550.85 and 4,620.16 is: 6,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.47 : 10,550.85 = 4,620.16 : x
  2. Step 2: Convert to fraction form
    7,645.47/10,550.85 = 4,620.16/x
  3. Step 3: Cross multiply
    7,645.47x = 10,550.85 × 4,620.16
  4. Step 4: Simplify right side
    7,645.47x = 48,746,611.00
  5. Step 5: Solve for x
    x = 48,746,611.00/7,645.47
  6. Step 6: Final answer
    x = 6,375.88

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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.