Home / 11,351.01-17,028.30-4,779.06

Finding the Fourth Proportional to 11,351.01, 17,028.30 and 4,779.06

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Solution

The fourth proportional to 11,351.01, 17,028.30 and 4,779.06 is: 7,169.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.01 : 17,028.30 = 4,779.06 : x
  2. Step 2: Convert to fraction form
    11,351.01/17,028.30 = 4,779.06/x
  3. Step 3: Cross multiply
    11,351.01x = 17,028.30 × 4,779.06
  4. Step 4: Simplify right side
    11,351.01x = 81,379,267.40
  5. Step 5: Solve for x
    x = 81,379,267.40/11,351.01
  6. Step 6: Final answer
    x = 7,169.34

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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.