Home / 7,507.77-11,262.32-1,961.07

Finding the Fourth Proportional to 7,507.77, 11,262.32 and 1,961.07

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Solution

The fourth proportional to 7,507.77, 11,262.32 and 1,961.07 is: 2,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.77 : 11,262.32 = 1,961.07 : x
  2. Step 2: Convert to fraction form
    7,507.77/11,262.32 = 1,961.07/x
  3. Step 3: Cross multiply
    7,507.77x = 11,262.32 × 1,961.07
  4. Step 4: Simplify right side
    7,507.77x = 22,086,188.08
  5. Step 5: Solve for x
    x = 22,086,188.08/7,507.77
  6. Step 6: Final answer
    x = 2,941.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.