Home / 9,859.44-13,607.20-5,667.60

Finding the Fourth Proportional to 9,859.44, 13,607.20 and 5,667.60

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Solution

The fourth proportional to 9,859.44, 13,607.20 and 5,667.60 is: 7,821.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.44 : 13,607.20 = 5,667.60 : x
  2. Step 2: Convert to fraction form
    9,859.44/13,607.20 = 5,667.60/x
  3. Step 3: Cross multiply
    9,859.44x = 13,607.20 × 5,667.60
  4. Step 4: Simplify right side
    9,859.44x = 77,120,166.72
  5. Step 5: Solve for x
    x = 77,120,166.72/9,859.44
  6. Step 6: Final answer
    x = 7,821.96

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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.