Home / 7,243.14-9,995.73-4,099.50

Finding the Fourth Proportional to 7,243.14, 9,995.73 and 4,099.50

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Solution

The fourth proportional to 7,243.14, 9,995.73 and 4,099.50 is: 5,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.14 : 9,995.73 = 4,099.50 : x
  2. Step 2: Convert to fraction form
    7,243.14/9,995.73 = 4,099.50/x
  3. Step 3: Cross multiply
    7,243.14x = 9,995.73 × 4,099.50
  4. Step 4: Simplify right side
    7,243.14x = 40,977,495.14
  5. Step 5: Solve for x
    x = 40,977,495.14/7,243.14
  6. Step 6: Final answer
    x = 5,657.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.