Home / 11,406.68-17,110.38-3,615.56

Finding the Fourth Proportional to 11,406.68, 17,110.38 and 3,615.56

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Solution

The fourth proportional to 11,406.68, 17,110.38 and 3,615.56 is: 5,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.68 : 17,110.38 = 3,615.56 : x
  2. Step 2: Convert to fraction form
    11,406.68/17,110.38 = 3,615.56/x
  3. Step 3: Cross multiply
    11,406.68x = 17,110.38 × 3,615.56
  4. Step 4: Simplify right side
    11,406.68x = 61,863,605.51
  5. Step 5: Solve for x
    x = 61,863,605.51/11,406.68
  6. Step 6: Final answer
    x = 5,423.45

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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.