Home / 9,261.94-12,782.70-5,229.58

Finding the Fourth Proportional to 9,261.94, 12,782.70 and 5,229.58

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Solution

The fourth proportional to 9,261.94, 12,782.70 and 5,229.58 is: 7,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,261.94 : 12,782.70 = 5,229.58 : x
  2. Step 2: Convert to fraction form
    9,261.94/12,782.70 = 5,229.58/x
  3. Step 3: Cross multiply
    9,261.94x = 12,782.70 × 5,229.58
  4. Step 4: Simplify right side
    9,261.94x = 66,848,152.27
  5. Step 5: Solve for x
    x = 66,848,152.27/9,261.94
  6. Step 6: Final answer
    x = 7,217.51

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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.