Home / 7,927.92-11,885.16-3,184.56

Finding the Fourth Proportional to 7,927.92, 11,885.16 and 3,184.56

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Solution

The fourth proportional to 7,927.92, 11,885.16 and 3,184.56 is: 4,774.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.92 : 11,885.16 = 3,184.56 : x
  2. Step 2: Convert to fraction form
    7,927.92/11,885.16 = 3,184.56/x
  3. Step 3: Cross multiply
    7,927.92x = 11,885.16 × 3,184.56
  4. Step 4: Simplify right side
    7,927.92x = 37,849,005.13
  5. Step 5: Solve for x
    x = 37,849,005.13/7,927.92
  6. Step 6: Final answer
    x = 4,774.14

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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.