Home / 7,400.86-10,212.87-4,043.62

Finding the Fourth Proportional to 7,400.86, 10,212.87 and 4,043.62

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Solution

The fourth proportional to 7,400.86, 10,212.87 and 4,043.62 is: 5,580.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400.86 : 10,212.87 = 4,043.62 : x
  2. Step 2: Convert to fraction form
    7,400.86/10,212.87 = 4,043.62/x
  3. Step 3: Cross multiply
    7,400.86x = 10,212.87 × 4,043.62
  4. Step 4: Simplify right side
    7,400.86x = 41,296,965.39
  5. Step 5: Solve for x
    x = 41,296,965.39/7,400.86
  6. Step 6: Final answer
    x = 5,580.02

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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.