Home / 9,311.73-12,849.62-5,331.93

Finding the Fourth Proportional to 9,311.73, 12,849.62 and 5,331.93

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Solution

The fourth proportional to 9,311.73, 12,849.62 and 5,331.93 is: 7,357.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.73 : 12,849.62 = 5,331.93 : x
  2. Step 2: Convert to fraction form
    9,311.73/12,849.62 = 5,331.93/x
  3. Step 3: Cross multiply
    9,311.73x = 12,849.62 × 5,331.93
  4. Step 4: Simplify right side
    9,311.73x = 68,513,247.71
  5. Step 5: Solve for x
    x = 68,513,247.71/9,311.73
  6. Step 6: Final answer
    x = 7,357.74

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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.