Home / 7,177.26-9,904.48-4,382.76

Finding the Fourth Proportional to 7,177.26, 9,904.48 and 4,382.76

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Solution

The fourth proportional to 7,177.26, 9,904.48 and 4,382.76 is: 6,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,177.26 : 9,904.48 = 4,382.76 : x
  2. Step 2: Convert to fraction form
    7,177.26/9,904.48 = 4,382.76/x
  3. Step 3: Cross multiply
    7,177.26x = 9,904.48 × 4,382.76
  4. Step 4: Simplify right side
    7,177.26x = 43,408,958.76
  5. Step 5: Solve for x
    x = 43,408,958.76/7,177.26
  6. Step 6: Final answer
    x = 6,048.12

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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.