Home / 6,627.40-9,168.42-5,446.12

Finding the Fourth Proportional to 6,627.40, 9,168.42 and 5,446.12

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Solution

The fourth proportional to 6,627.40, 9,168.42 and 5,446.12 is: 7,534.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.40 : 9,168.42 = 5,446.12 : x
  2. Step 2: Convert to fraction form
    6,627.40/9,168.42 = 5,446.12/x
  3. Step 3: Cross multiply
    6,627.40x = 9,168.42 × 5,446.12
  4. Step 4: Simplify right side
    6,627.40x = 49,932,315.53
  5. Step 5: Solve for x
    x = 49,932,315.53/6,627.40
  6. Step 6: Final answer
    x = 7,534.22

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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.