Home / 9,202.56-12,699.08-5,223.61

Finding the Fourth Proportional to 9,202.56, 12,699.08 and 5,223.61

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Solution

The fourth proportional to 9,202.56, 12,699.08 and 5,223.61 is: 7,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,202.56 : 12,699.08 = 5,223.61 : x
  2. Step 2: Convert to fraction form
    9,202.56/12,699.08 = 5,223.61/x
  3. Step 3: Cross multiply
    9,202.56x = 12,699.08 × 5,223.61
  4. Step 4: Simplify right side
    9,202.56x = 66,335,015.16
  5. Step 5: Solve for x
    x = 66,335,015.16/9,202.56
  6. Step 6: Final answer
    x = 7,208.33

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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.