Home / 7,726.12-11,604.70-4,612.20

Finding the Fourth Proportional to 7,726.12, 11,604.70 and 4,612.20

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Solution

The fourth proportional to 7,726.12, 11,604.70 and 4,612.20 is: 6,927.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.12 : 11,604.70 = 4,612.20 : x
  2. Step 2: Convert to fraction form
    7,726.12/11,604.70 = 4,612.20/x
  3. Step 3: Cross multiply
    7,726.12x = 11,604.70 × 4,612.20
  4. Step 4: Simplify right side
    7,726.12x = 53,523,197.34
  5. Step 5: Solve for x
    x = 53,523,197.34/7,726.12
  6. Step 6: Final answer
    x = 6,927.56

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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.