Home / 9,208.96-12,708.36-5,017.20

Finding the Fourth Proportional to 9,208.96, 12,708.36 and 5,017.20

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Solution

The fourth proportional to 9,208.96, 12,708.36 and 5,017.20 is: 6,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,208.96 : 12,708.36 = 5,017.20 : x
  2. Step 2: Convert to fraction form
    9,208.96/12,708.36 = 5,017.20/x
  3. Step 3: Cross multiply
    9,208.96x = 12,708.36 × 5,017.20
  4. Step 4: Simplify right side
    9,208.96x = 63,760,383.79
  5. Step 5: Solve for x
    x = 63,760,383.79/9,208.96
  6. Step 6: Final answer
    x = 6,923.73

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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.