Home / 7,176.12-9,903.66-4,192.44

Finding the Fourth Proportional to 7,176.12, 9,903.66 and 4,192.44

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Solution

The fourth proportional to 7,176.12, 9,903.66 and 4,192.44 is: 5,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.12 : 9,903.66 = 4,192.44 : x
  2. Step 2: Convert to fraction form
    7,176.12/9,903.66 = 4,192.44/x
  3. Step 3: Cross multiply
    7,176.12x = 9,903.66 × 4,192.44
  4. Step 4: Simplify right side
    7,176.12x = 41,520,500.33
  5. Step 5: Solve for x
    x = 41,520,500.33/7,176.12
  6. Step 6: Final answer
    x = 5,785.93

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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.