Home / 7,335.11-10,122.27-4,191.09

Finding the Fourth Proportional to 7,335.11, 10,122.27 and 4,191.09

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Solution

The fourth proportional to 7,335.11, 10,122.27 and 4,191.09 is: 5,783.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.11 : 10,122.27 = 4,191.09 : x
  2. Step 2: Convert to fraction form
    7,335.11/10,122.27 = 4,191.09/x
  3. Step 3: Cross multiply
    7,335.11x = 10,122.27 × 4,191.09
  4. Step 4: Simplify right side
    7,335.11x = 42,423,390.39
  5. Step 5: Solve for x
    x = 42,423,390.39/7,335.11
  6. Step 6: Final answer
    x = 5,783.61

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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.