Home / 11,996.30-17,985.56-5,750.36

Finding the Fourth Proportional to 11,996.30, 17,985.56 and 5,750.36

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Solution

The fourth proportional to 11,996.30, 17,985.56 and 5,750.36 is: 8,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.30 : 17,985.56 = 5,750.36 : x
  2. Step 2: Convert to fraction form
    11,996.30/17,985.56 = 5,750.36/x
  3. Step 3: Cross multiply
    11,996.30x = 17,985.56 × 5,750.36
  4. Step 4: Simplify right side
    11,996.30x = 103,423,444.80
  5. Step 5: Solve for x
    x = 103,423,444.80/11,996.30
  6. Step 6: Final answer
    x = 8,621.28

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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.