Home / 10,186.08-14,056.77-5,709.83

Finding the Fourth Proportional to 10,186.08, 14,056.77 and 5,709.83

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Solution

The fourth proportional to 10,186.08, 14,056.77 and 5,709.83 is: 7,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,186.08 : 14,056.77 = 5,709.83 : x
  2. Step 2: Convert to fraction form
    10,186.08/14,056.77 = 5,709.83/x
  3. Step 3: Cross multiply
    10,186.08x = 14,056.77 × 5,709.83
  4. Step 4: Simplify right side
    10,186.08x = 80,261,765.13
  5. Step 5: Solve for x
    x = 80,261,765.13/10,186.08
  6. Step 6: Final answer
    x = 7,879.56

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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.