Home / 11,167.91-15,410.63-6,452.09

Finding the Fourth Proportional to 11,167.91, 15,410.63 and 6,452.09

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Solution

The fourth proportional to 11,167.91, 15,410.63 and 6,452.09 is: 8,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,167.91 : 15,410.63 = 6,452.09 : x
  2. Step 2: Convert to fraction form
    11,167.91/15,410.63 = 6,452.09/x
  3. Step 3: Cross multiply
    11,167.91x = 15,410.63 × 6,452.09
  4. Step 4: Simplify right side
    11,167.91x = 99,430,739.46
  5. Step 5: Solve for x
    x = 99,430,739.46/11,167.91
  6. Step 6: Final answer
    x = 8,903.25

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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.