Home / 11,660.07-16,090.42-6,354.77

Finding the Fourth Proportional to 11,660.07, 16,090.42 and 6,354.77

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Solution

The fourth proportional to 11,660.07, 16,090.42 and 6,354.77 is: 8,769.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.07 : 16,090.42 = 6,354.77 : x
  2. Step 2: Convert to fraction form
    11,660.07/16,090.42 = 6,354.77/x
  3. Step 3: Cross multiply
    11,660.07x = 16,090.42 × 6,354.77
  4. Step 4: Simplify right side
    11,660.07x = 102,250,878.08
  5. Step 5: Solve for x
    x = 102,250,878.08/11,660.07
  6. Step 6: Final answer
    x = 8,769.32

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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.