Home / 9,146.43-12,622.14-5,167.46

Finding the Fourth Proportional to 9,146.43, 12,622.14 and 5,167.46

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Solution

The fourth proportional to 9,146.43, 12,622.14 and 5,167.46 is: 7,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.43 : 12,622.14 = 5,167.46 : x
  2. Step 2: Convert to fraction form
    9,146.43/12,622.14 = 5,167.46/x
  3. Step 3: Cross multiply
    9,146.43x = 12,622.14 × 5,167.46
  4. Step 4: Simplify right side
    9,146.43x = 65,224,435.12
  5. Step 5: Solve for x
    x = 65,224,435.12/9,146.43
  6. Step 6: Final answer
    x = 7,131.14

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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.