Home / 10,361.27-14,290.67-6,728.15

Finding the Fourth Proportional to 10,361.27, 14,290.67 and 6,728.15

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Solution

The fourth proportional to 10,361.27, 14,290.67 and 6,728.15 is: 9,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.27 : 14,290.67 = 6,728.15 : x
  2. Step 2: Convert to fraction form
    10,361.27/14,290.67 = 6,728.15/x
  3. Step 3: Cross multiply
    10,361.27x = 14,290.67 × 6,728.15
  4. Step 4: Simplify right side
    10,361.27x = 96,149,666.27
  5. Step 5: Solve for x
    x = 96,149,666.27/10,361.27
  6. Step 6: Final answer
    x = 9,279.72

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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.