Home / 10,277.46-14,182.92-5,561.79

Finding the Fourth Proportional to 10,277.46, 14,182.92 and 5,561.79

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Solution

The fourth proportional to 10,277.46, 14,182.92 and 5,561.79 is: 7,675.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.46 : 14,182.92 = 5,561.79 : x
  2. Step 2: Convert to fraction form
    10,277.46/14,182.92 = 5,561.79/x
  3. Step 3: Cross multiply
    10,277.46x = 14,182.92 × 5,561.79
  4. Step 4: Simplify right side
    10,277.46x = 78,882,422.63
  5. Step 5: Solve for x
    x = 78,882,422.63/10,277.46
  6. Step 6: Final answer
    x = 7,675.28

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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.