Home / 7,069.96-9,756.84-3,926.13

Finding the Fourth Proportional to 7,069.96, 9,756.84 and 3,926.13

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Solution

The fourth proportional to 7,069.96, 9,756.84 and 3,926.13 is: 5,418.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069.96 : 9,756.84 = 3,926.13 : x
  2. Step 2: Convert to fraction form
    7,069.96/9,756.84 = 3,926.13/x
  3. Step 3: Cross multiply
    7,069.96x = 9,756.84 × 3,926.13
  4. Step 4: Simplify right side
    7,069.96x = 38,306,622.23
  5. Step 5: Solve for x
    x = 38,306,622.23/7,069.96
  6. Step 6: Final answer
    x = 5,418.22

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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.