Home / 7,331.24-10,117.77-4,188.44

Finding the Fourth Proportional to 7,331.24, 10,117.77 and 4,188.44

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Solution

The fourth proportional to 7,331.24, 10,117.77 and 4,188.44 is: 5,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.24 : 10,117.77 = 4,188.44 : x
  2. Step 2: Convert to fraction form
    7,331.24/10,117.77 = 4,188.44/x
  3. Step 3: Cross multiply
    7,331.24x = 10,117.77 × 4,188.44
  4. Step 4: Simplify right side
    7,331.24x = 42,377,672.58
  5. Step 5: Solve for x
    x = 42,377,672.58/7,331.24
  6. Step 6: Final answer
    x = 5,780.42

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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.