Home / 7,162.70-9,884.58-4,018.95

Finding the Fourth Proportional to 7,162.70, 9,884.58 and 4,018.95

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Solution

The fourth proportional to 7,162.70, 9,884.58 and 4,018.95 is: 5,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.70 : 9,884.58 = 4,018.95 : x
  2. Step 2: Convert to fraction form
    7,162.70/9,884.58 = 4,018.95/x
  3. Step 3: Cross multiply
    7,162.70x = 9,884.58 × 4,018.95
  4. Step 4: Simplify right side
    7,162.70x = 39,725,632.79
  5. Step 5: Solve for x
    x = 39,725,632.79/7,162.70
  6. Step 6: Final answer
    x = 5,546.19

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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.