Home / 9,208.12-12,707.21-5,016.38

Finding the Fourth Proportional to 9,208.12, 12,707.21 and 5,016.38

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Solution

The fourth proportional to 9,208.12, 12,707.21 and 5,016.38 is: 6,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.12 : 12,707.21 = 5,016.38 : x
  2. Step 2: Convert to fraction form
    9,208.12/12,707.21 = 5,016.38/x
  3. Step 3: Cross multiply
    9,208.12x = 12,707.21 × 5,016.38
  4. Step 4: Simplify right side
    9,208.12x = 63,744,194.10
  5. Step 5: Solve for x
    x = 63,744,194.10/9,208.12
  6. Step 6: Final answer
    x = 6,922.61

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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.