Home / 9,332.40-13,998.32-3,785.61

Finding the Fourth Proportional to 9,332.40, 13,998.32 and 3,785.61

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Solution

The fourth proportional to 9,332.40, 13,998.32 and 3,785.61 is: 5,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.40 : 13,998.32 = 3,785.61 : x
  2. Step 2: Convert to fraction form
    9,332.40/13,998.32 = 3,785.61/x
  3. Step 3: Cross multiply
    9,332.40x = 13,998.32 × 3,785.61
  4. Step 4: Simplify right side
    9,332.40x = 52,992,180.18
  5. Step 5: Solve for x
    x = 52,992,180.18/9,332.40
  6. Step 6: Final answer
    x = 5,678.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.