Home / 9,255.66-12,770.42-5,223.07

Finding the Fourth Proportional to 9,255.66, 12,770.42 and 5,223.07

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Solution

The fourth proportional to 9,255.66, 12,770.42 and 5,223.07 is: 7,206.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.66 : 12,770.42 = 5,223.07 : x
  2. Step 2: Convert to fraction form
    9,255.66/12,770.42 = 5,223.07/x
  3. Step 3: Cross multiply
    9,255.66x = 12,770.42 × 5,223.07
  4. Step 4: Simplify right side
    9,255.66x = 66,700,797.59
  5. Step 5: Solve for x
    x = 66,700,797.59/9,255.66
  6. Step 6: Final answer
    x = 7,206.49

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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.