Home / 9,207.73-12,706.21-5,228.32

Finding the Fourth Proportional to 9,207.73, 12,706.21 and 5,228.32

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Solution

The fourth proportional to 9,207.73, 12,706.21 and 5,228.32 is: 7,214.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.73 : 12,706.21 = 5,228.32 : x
  2. Step 2: Convert to fraction form
    9,207.73/12,706.21 = 5,228.32/x
  3. Step 3: Cross multiply
    9,207.73x = 12,706.21 × 5,228.32
  4. Step 4: Simplify right side
    9,207.73x = 66,432,131.87
  5. Step 5: Solve for x
    x = 66,432,131.87/9,207.73
  6. Step 6: Final answer
    x = 7,214.82

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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.