Home / 7,241.30-10,850.60-5,780.06

Finding the Fourth Proportional to 7,241.30, 10,850.60 and 5,780.06

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Solution

The fourth proportional to 7,241.30, 10,850.60 and 5,780.06 is: 8,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.30 : 10,850.60 = 5,780.06 : x
  2. Step 2: Convert to fraction form
    7,241.30/10,850.60 = 5,780.06/x
  3. Step 3: Cross multiply
    7,241.30x = 10,850.60 × 5,780.06
  4. Step 4: Simplify right side
    7,241.30x = 62,717,079.23
  5. Step 5: Solve for x
    x = 62,717,079.23/7,241.30
  6. Step 6: Final answer
    x = 8,661.03

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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.