Home / 11,201.92-15,458.96-6,166.40

Finding the Fourth Proportional to 11,201.92, 15,458.96 and 6,166.40

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Solution

The fourth proportional to 11,201.92, 15,458.96 and 6,166.40 is: 8,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,201.92 : 15,458.96 = 6,166.40 : x
  2. Step 2: Convert to fraction form
    11,201.92/15,458.96 = 6,166.40/x
  3. Step 3: Cross multiply
    11,201.92x = 15,458.96 × 6,166.40
  4. Step 4: Simplify right side
    11,201.92x = 95,326,130.94
  5. Step 5: Solve for x
    x = 95,326,130.94/11,201.92
  6. Step 6: Final answer
    x = 8,509.80

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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.