Home / 7,462.23-11,171.75-5,621.10

Finding the Fourth Proportional to 7,462.23, 11,171.75 and 5,621.10

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Solution

The fourth proportional to 7,462.23, 11,171.75 and 5,621.10 is: 8,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,462.23 : 11,171.75 = 5,621.10 : x
  2. Step 2: Convert to fraction form
    7,462.23/11,171.75 = 5,621.10/x
  3. Step 3: Cross multiply
    7,462.23x = 11,171.75 × 5,621.10
  4. Step 4: Simplify right side
    7,462.23x = 62,797,495.82
  5. Step 5: Solve for x
    x = 62,797,495.82/7,462.23
  6. Step 6: Final answer
    x = 8,415.38

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1.5x scale

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.