Home / 7,125.44-10,678.40-4,006.96

Finding the Fourth Proportional to 7,125.44, 10,678.40 and 4,006.96

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Solution

The fourth proportional to 7,125.44, 10,678.40 and 4,006.96 is: 6,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.44 : 10,678.40 = 4,006.96 : x
  2. Step 2: Convert to fraction form
    7,125.44/10,678.40 = 4,006.96/x
  3. Step 3: Cross multiply
    7,125.44x = 10,678.40 × 4,006.96
  4. Step 4: Simplify right side
    7,125.44x = 42,787,921.66
  5. Step 5: Solve for x
    x = 42,787,921.66/7,125.44
  6. Step 6: Final answer
    x = 6,004.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.