Home / 6,474.08-9,689.52-4,687.76

Finding the Fourth Proportional to 6,474.08, 9,689.52 and 4,687.76

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Solution

The fourth proportional to 6,474.08, 9,689.52 and 4,687.76 is: 7,016.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,474.08 : 9,689.52 = 4,687.76 : x
  2. Step 2: Convert to fraction form
    6,474.08/9,689.52 = 4,687.76/x
  3. Step 3: Cross multiply
    6,474.08x = 9,689.52 × 4,687.76
  4. Step 4: Simplify right side
    6,474.08x = 45,422,144.28
  5. Step 5: Solve for x
    x = 45,422,144.28/6,474.08
  6. Step 6: Final answer
    x = 7,016.00

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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.