Home / 7,750.96-10,690.36-5,229.04

Finding the Fourth Proportional to 7,750.96, 10,690.36 and 5,229.04

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Solution

The fourth proportional to 7,750.96, 10,690.36 and 5,229.04 is: 7,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.96 : 10,690.36 = 5,229.04 : x
  2. Step 2: Convert to fraction form
    7,750.96/10,690.36 = 5,229.04/x
  3. Step 3: Cross multiply
    7,750.96x = 10,690.36 × 5,229.04
  4. Step 4: Simplify right side
    7,750.96x = 55,900,320.05
  5. Step 5: Solve for x
    x = 55,900,320.05/7,750.96
  6. Step 6: Final answer
    x = 7,212.05

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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.