Home / 11,835.64-17,756.40-3,515.84

Finding the Fourth Proportional to 11,835.64, 17,756.40 and 3,515.84

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Solution

The fourth proportional to 11,835.64, 17,756.40 and 3,515.84 is: 5,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,835.64 : 17,756.40 = 3,515.84 : x
  2. Step 2: Convert to fraction form
    11,835.64/17,756.40 = 3,515.84/x
  3. Step 3: Cross multiply
    11,835.64x = 17,756.40 × 3,515.84
  4. Step 4: Simplify right side
    11,835.64x = 62,428,661.38
  5. Step 5: Solve for x
    x = 62,428,661.38/11,835.64
  6. Step 6: Final answer
    x = 5,274.63

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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.