Home / 9,975.89-13,767.33-5,500.64

Finding the Fourth Proportional to 9,975.89, 13,767.33 and 5,500.64

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Solution

The fourth proportional to 9,975.89, 13,767.33 and 5,500.64 is: 7,591.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.89 : 13,767.33 = 5,500.64 : x
  2. Step 2: Convert to fraction form
    9,975.89/13,767.33 = 5,500.64/x
  3. Step 3: Cross multiply
    9,975.89x = 13,767.33 × 5,500.64
  4. Step 4: Simplify right side
    9,975.89x = 75,729,181.14
  5. Step 5: Solve for x
    x = 75,729,181.14/9,975.89
  6. Step 6: Final answer
    x = 7,591.22

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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.