Home / 9,113.37-13,669.41-5,403.96

Finding the Fourth Proportional to 9,113.37, 13,669.41 and 5,403.96

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Solution

The fourth proportional to 9,113.37, 13,669.41 and 5,403.96 is: 8,105.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.37 : 13,669.41 = 5,403.96 : x
  2. Step 2: Convert to fraction form
    9,113.37/13,669.41 = 5,403.96/x
  3. Step 3: Cross multiply
    9,113.37x = 13,669.41 × 5,403.96
  4. Step 4: Simplify right side
    9,113.37x = 73,868,944.86
  5. Step 5: Solve for x
    x = 73,868,944.86/9,113.37
  6. Step 6: Final answer
    x = 8,105.56

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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.