Home / 11,743.79-16,211.75-7,500.47

Finding the Fourth Proportional to 11,743.79, 16,211.75 and 7,500.47

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Solution

The fourth proportional to 11,743.79, 16,211.75 and 7,500.47 is: 10,354.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.79 : 16,211.75 = 7,500.47 : x
  2. Step 2: Convert to fraction form
    11,743.79/16,211.75 = 7,500.47/x
  3. Step 3: Cross multiply
    11,743.79x = 16,211.75 × 7,500.47
  4. Step 4: Simplify right side
    11,743.79x = 121,595,625.96
  5. Step 5: Solve for x
    x = 121,595,625.96/11,743.79
  6. Step 6: Final answer
    x = 10,354.04

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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.