Home / 9,230.37-12,737.75-5,251.40

Finding the Fourth Proportional to 9,230.37, 12,737.75 and 5,251.40

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Solution

The fourth proportional to 9,230.37, 12,737.75 and 5,251.40 is: 7,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,230.37 : 12,737.75 = 5,251.40 : x
  2. Step 2: Convert to fraction form
    9,230.37/12,737.75 = 5,251.40/x
  3. Step 3: Cross multiply
    9,230.37x = 12,737.75 × 5,251.40
  4. Step 4: Simplify right side
    9,230.37x = 66,890,930.40
  5. Step 5: Solve for x
    x = 66,890,930.40/9,230.37
  6. Step 6: Final answer
    x = 7,246.83

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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.