Home / 9,212.96-13,817.20-2,637.60

Finding the Fourth Proportional to 9,212.96, 13,817.20 and 2,637.60

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Solution

The fourth proportional to 9,212.96, 13,817.20 and 2,637.60 is: 3,955.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.96 : 13,817.20 = 2,637.60 : x
  2. Step 2: Convert to fraction form
    9,212.96/13,817.20 = 2,637.60/x
  3. Step 3: Cross multiply
    9,212.96x = 13,817.20 × 2,637.60
  4. Step 4: Simplify right side
    9,212.96x = 36,444,246.72
  5. Step 5: Solve for x
    x = 36,444,246.72/9,212.96
  6. Step 6: Final answer
    x = 3,955.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.