Home / 7,456.34-11,191.80-4,540.34

Finding the Fourth Proportional to 7,456.34, 11,191.80 and 4,540.34

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Solution

The fourth proportional to 7,456.34, 11,191.80 and 4,540.34 is: 6,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.34 : 11,191.80 = 4,540.34 : x
  2. Step 2: Convert to fraction form
    7,456.34/11,191.80 = 4,540.34/x
  3. Step 3: Cross multiply
    7,456.34x = 11,191.80 × 4,540.34
  4. Step 4: Simplify right side
    7,456.34x = 50,814,577.21
  5. Step 5: Solve for x
    x = 50,814,577.21/7,456.34
  6. Step 6: Final answer
    x = 6,814.95

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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.