Home / 10,277.12-14,182.34-5,561.42

Finding the Fourth Proportional to 10,277.12, 14,182.34 and 5,561.42

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Solution

The fourth proportional to 10,277.12, 14,182.34 and 5,561.42 is: 7,674.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.12 : 14,182.34 = 5,561.42 : x
  2. Step 2: Convert to fraction form
    10,277.12/14,182.34 = 5,561.42/x
  3. Step 3: Cross multiply
    10,277.12x = 14,182.34 × 5,561.42
  4. Step 4: Simplify right side
    10,277.12x = 78,873,850.60
  5. Step 5: Solve for x
    x = 78,873,850.60/10,277.12
  6. Step 6: Final answer
    x = 7,674.71

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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.