Home / 11,700.83-16,145.26-6,665.15

Finding the Fourth Proportional to 11,700.83, 16,145.26 and 6,665.15

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Solution

The fourth proportional to 11,700.83, 16,145.26 and 6,665.15 is: 9,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700.83 : 16,145.26 = 6,665.15 : x
  2. Step 2: Convert to fraction form
    11,700.83/16,145.26 = 6,665.15/x
  3. Step 3: Cross multiply
    11,700.83x = 16,145.26 × 6,665.15
  4. Step 4: Simplify right side
    11,700.83x = 107,610,512.57
  5. Step 5: Solve for x
    x = 107,610,512.57/11,700.83
  6. Step 6: Final answer
    x = 9,196.83

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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.