Home / 9,724.10-14,576.55-4,789.70

Finding the Fourth Proportional to 9,724.10, 14,576.55 and 4,789.70

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Solution

The fourth proportional to 9,724.10, 14,576.55 and 4,789.70 is: 7,179.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,724.10 : 14,576.55 = 4,789.70 : x
  2. Step 2: Convert to fraction form
    9,724.10/14,576.55 = 4,789.70/x
  3. Step 3: Cross multiply
    9,724.10x = 14,576.55 × 4,789.70
  4. Step 4: Simplify right side
    9,724.10x = 69,817,301.54
  5. Step 5: Solve for x
    x = 69,817,301.54/9,724.10
  6. Step 6: Final answer
    x = 7,179.82

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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.