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Finding the Fourth Proportional to 9,208.44, 12,707.74 and 5,016.76

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Solution

The fourth proportional to 9,208.44, 12,707.74 and 5,016.76 is: 6,923.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.44 : 12,707.74 = 5,016.76 : x
  2. Step 2: Convert to fraction form
    9,208.44/12,707.74 = 5,016.76/x
  3. Step 3: Cross multiply
    9,208.44x = 12,707.74 × 5,016.76
  4. Step 4: Simplify right side
    9,208.44x = 63,751,681.72
  5. Step 5: Solve for x
    x = 63,751,681.72/9,208.44
  6. Step 6: Final answer
    x = 6,923.18

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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.