Home / 9,126.09-12,592.94-5,146.97

Finding the Fourth Proportional to 9,126.09, 12,592.94 and 5,146.97

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Solution

The fourth proportional to 9,126.09, 12,592.94 and 5,146.97 is: 7,102.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.09 : 12,592.94 = 5,146.97 : x
  2. Step 2: Convert to fraction form
    9,126.09/12,592.94 = 5,146.97/x
  3. Step 3: Cross multiply
    9,126.09x = 12,592.94 × 5,146.97
  4. Step 4: Simplify right side
    9,126.09x = 64,815,395.69
  5. Step 5: Solve for x
    x = 64,815,395.69/9,126.09
  6. Step 6: Final answer
    x = 7,102.21

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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.