Home / 7,069.05-9,755.11-3,925.04

Finding the Fourth Proportional to 7,069.05, 9,755.11 and 3,925.04

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Solution

The fourth proportional to 7,069.05, 9,755.11 and 3,925.04 is: 5,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.05 : 9,755.11 = 3,925.04 : x
  2. Step 2: Convert to fraction form
    7,069.05/9,755.11 = 3,925.04/x
  3. Step 3: Cross multiply
    7,069.05x = 9,755.11 × 3,925.04
  4. Step 4: Simplify right side
    7,069.05x = 38,289,138.37
  5. Step 5: Solve for x
    x = 38,289,138.37/7,069.05
  6. Step 6: Final answer
    x = 5,416.45

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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.