Home / 9,212.08-12,712.29-5,232.75

Finding the Fourth Proportional to 9,212.08, 12,712.29 and 5,232.75

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Solution

The fourth proportional to 9,212.08, 12,712.29 and 5,232.75 is: 7,220.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.08 : 12,712.29 = 5,232.75 : x
  2. Step 2: Convert to fraction form
    9,212.08/12,712.29 = 5,232.75/x
  3. Step 3: Cross multiply
    9,212.08x = 12,712.29 × 5,232.75
  4. Step 4: Simplify right side
    9,212.08x = 66,520,269.14
  5. Step 5: Solve for x
    x = 66,520,269.14/9,212.08
  6. Step 6: Final answer
    x = 7,220.98

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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.