Home / 34,990.45-52,485.68-11,616.89

Finding the Fourth Proportional to 34,990.45, 52,485.68 and 11,616.89

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Solution

The fourth proportional to 34,990.45, 52,485.68 and 11,616.89 is: 17,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,990.45 : 52,485.68 = 11,616.89 : x
  2. Step 2: Convert to fraction form
    34,990.45/52,485.68 = 11,616.89/x
  3. Step 3: Cross multiply
    34,990.45x = 52,485.68 × 11,616.89
  4. Step 4: Simplify right side
    34,990.45x = 609,720,371.14
  5. Step 5: Solve for x
    x = 609,720,371.14/34,990.45
  6. Step 6: Final answer
    x = 17,425.34

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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.