Home / 7,247.80-9,997.86-4,262.68

Finding the Fourth Proportional to 7,247.80, 9,997.86 and 4,262.68

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Solution

The fourth proportional to 7,247.80, 9,997.86 and 4,262.68 is: 5,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.80 : 9,997.86 = 4,262.68 : x
  2. Step 2: Convert to fraction form
    7,247.80/9,997.86 = 4,262.68/x
  3. Step 3: Cross multiply
    7,247.80x = 9,997.86 × 4,262.68
  4. Step 4: Simplify right side
    7,247.80x = 42,617,677.86
  5. Step 5: Solve for x
    x = 42,617,677.86/7,247.80
  6. Step 6: Final answer
    x = 5,880.08

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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.