Home / 9,150.11-12,622.52-5,787.26

Finding the Fourth Proportional to 9,150.11, 12,622.52 and 5,787.26

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Solution

The fourth proportional to 9,150.11, 12,622.52 and 5,787.26 is: 7,983.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.11 : 12,622.52 = 5,787.26 : x
  2. Step 2: Convert to fraction form
    9,150.11/12,622.52 = 5,787.26/x
  3. Step 3: Cross multiply
    9,150.11x = 12,622.52 × 5,787.26
  4. Step 4: Simplify right side
    9,150.11x = 73,049,776.16
  5. Step 5: Solve for x
    x = 73,049,776.16/9,150.11
  6. Step 6: Final answer
    x = 7,983.49

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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.