Home / 7,867.86-11,803.83-2,937.56

Finding the Fourth Proportional to 7,867.86, 11,803.83 and 2,937.56

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Solution

The fourth proportional to 7,867.86, 11,803.83 and 2,937.56 is: 4,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.86 : 11,803.83 = 2,937.56 : x
  2. Step 2: Convert to fraction form
    7,867.86/11,803.83 = 2,937.56/x
  3. Step 3: Cross multiply
    7,867.86x = 11,803.83 × 2,937.56
  4. Step 4: Simplify right side
    7,867.86x = 34,674,399.84
  5. Step 5: Solve for x
    x = 34,674,399.84/7,867.86
  6. Step 6: Final answer
    x = 4,407.09

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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.