Home / 7,456.10-11,185.36-2,456.98

Finding the Fourth Proportional to 7,456.10, 11,185.36 and 2,456.98

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Solution

The fourth proportional to 7,456.10, 11,185.36 and 2,456.98 is: 3,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.10 : 11,185.36 = 2,456.98 : x
  2. Step 2: Convert to fraction form
    7,456.10/11,185.36 = 2,456.98/x
  3. Step 3: Cross multiply
    7,456.10x = 11,185.36 × 2,456.98
  4. Step 4: Simplify right side
    7,456.10x = 27,482,171.71
  5. Step 5: Solve for x
    x = 27,482,171.71/7,456.10
  6. Step 6: Final answer
    x = 3,685.87

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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.