Home / 10,233.12-14,121.88-5,696.16

Finding the Fourth Proportional to 10,233.12, 14,121.88 and 5,696.16

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Solution

The fourth proportional to 10,233.12, 14,121.88 and 5,696.16 is: 7,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,233.12 : 14,121.88 = 5,696.16 : x
  2. Step 2: Convert to fraction form
    10,233.12/14,121.88 = 5,696.16/x
  3. Step 3: Cross multiply
    10,233.12x = 14,121.88 × 5,696.16
  4. Step 4: Simplify right side
    10,233.12x = 80,440,487.98
  5. Step 5: Solve for x
    x = 80,440,487.98/10,233.12
  6. Step 6: Final answer
    x = 7,860.80

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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.