Home / 11,688.96-17,533.62-3,369.72

Finding the Fourth Proportional to 11,688.96, 17,533.62 and 3,369.72

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Solution

The fourth proportional to 11,688.96, 17,533.62 and 3,369.72 is: 5,054.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,688.96 : 17,533.62 = 3,369.72 : x
  2. Step 2: Convert to fraction form
    11,688.96/17,533.62 = 3,369.72/x
  3. Step 3: Cross multiply
    11,688.96x = 17,533.62 × 3,369.72
  4. Step 4: Simplify right side
    11,688.96x = 59,083,389.99
  5. Step 5: Solve for x
    x = 59,083,389.99/11,688.96
  6. Step 6: Final answer
    x = 5,054.63

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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.