Home / 11,452.72-15,805.10-6,416.93

Finding the Fourth Proportional to 11,452.72, 15,805.10 and 6,416.93

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Solution

The fourth proportional to 11,452.72, 15,805.10 and 6,416.93 is: 8,855.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,452.72 : 15,805.10 = 6,416.93 : x
  2. Step 2: Convert to fraction form
    11,452.72/15,805.10 = 6,416.93/x
  3. Step 3: Cross multiply
    11,452.72x = 15,805.10 × 6,416.93
  4. Step 4: Simplify right side
    11,452.72x = 101,420,220.34
  5. Step 5: Solve for x
    x = 101,420,220.34/11,452.72
  6. Step 6: Final answer
    x = 8,855.56

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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.