Home / 9,050.55-12,489.25-5,274.33

Finding the Fourth Proportional to 9,050.55, 12,489.25 and 5,274.33

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Solution

The fourth proportional to 9,050.55, 12,489.25 and 5,274.33 is: 7,278.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.55 : 12,489.25 = 5,274.33 : x
  2. Step 2: Convert to fraction form
    9,050.55/12,489.25 = 5,274.33/x
  3. Step 3: Cross multiply
    9,050.55x = 12,489.25 × 5,274.33
  4. Step 4: Simplify right side
    9,050.55x = 65,872,431.24
  5. Step 5: Solve for x
    x = 65,872,431.24/9,050.55
  6. Step 6: Final answer
    x = 7,278.28

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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.