Home / 12,113.46-16,723.20-7,334.22

Finding the Fourth Proportional to 12,113.46, 16,723.20 and 7,334.22

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Solution

The fourth proportional to 12,113.46, 16,723.20 and 7,334.22 is: 10,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113.46 : 16,723.20 = 7,334.22 : x
  2. Step 2: Convert to fraction form
    12,113.46/16,723.20 = 7,334.22/x
  3. Step 3: Cross multiply
    12,113.46x = 16,723.20 × 7,334.22
  4. Step 4: Simplify right side
    12,113.46x = 122,651,642.21
  5. Step 5: Solve for x
    x = 122,651,642.21/12,113.46
  6. Step 6: Final answer
    x = 10,125.23

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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.