Home / 7,410.24-10,219.14-5,422.50

Finding the Fourth Proportional to 7,410.24, 10,219.14 and 5,422.50

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Solution

The fourth proportional to 7,410.24, 10,219.14 and 5,422.50 is: 7,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.24 : 10,219.14 = 5,422.50 : x
  2. Step 2: Convert to fraction form
    7,410.24/10,219.14 = 5,422.50/x
  3. Step 3: Cross multiply
    7,410.24x = 10,219.14 × 5,422.50
  4. Step 4: Simplify right side
    7,410.24x = 55,413,286.65
  5. Step 5: Solve for x
    x = 55,413,286.65/7,410.24
  6. Step 6: Final answer
    x = 7,477.93

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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.