Home / 9,226.09-12,732.33-5,138.02

Finding the Fourth Proportional to 9,226.09, 12,732.33 and 5,138.02

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Solution

The fourth proportional to 9,226.09, 12,732.33 and 5,138.02 is: 7,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,226.09 : 12,732.33 = 5,138.02 : x
  2. Step 2: Convert to fraction form
    9,226.09/12,732.33 = 5,138.02/x
  3. Step 3: Cross multiply
    9,226.09x = 12,732.33 × 5,138.02
  4. Step 4: Simplify right side
    9,226.09x = 65,418,966.19
  5. Step 5: Solve for x
    x = 65,418,966.19/9,226.09
  6. Step 6: Final answer
    x = 7,090.65

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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.