Home / 10,922.86-15,073.48-6,142.81

Finding the Fourth Proportional to 10,922.86, 15,073.48 and 6,142.81

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Solution

The fourth proportional to 10,922.86, 15,073.48 and 6,142.81 is: 8,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.86 : 15,073.48 = 6,142.81 : x
  2. Step 2: Convert to fraction form
    10,922.86/15,073.48 = 6,142.81/x
  3. Step 3: Cross multiply
    10,922.86x = 15,073.48 × 6,142.81
  4. Step 4: Simplify right side
    10,922.86x = 92,593,523.68
  5. Step 5: Solve for x
    x = 92,593,523.68/10,922.86
  6. Step 6: Final answer
    x = 8,477.04

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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.