Home / 7,691.23-11,538.51-4,184.74

Finding the Fourth Proportional to 7,691.23, 11,538.51 and 4,184.74

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Solution

The fourth proportional to 7,691.23, 11,538.51 and 4,184.74 is: 6,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,691.23 : 11,538.51 = 4,184.74 : x
  2. Step 2: Convert to fraction form
    7,691.23/11,538.51 = 4,184.74/x
  3. Step 3: Cross multiply
    7,691.23x = 11,538.51 × 4,184.74
  4. Step 4: Simplify right side
    7,691.23x = 48,285,664.34
  5. Step 5: Solve for x
    x = 48,285,664.34/7,691.23
  6. Step 6: Final answer
    x = 6,278.02

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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.