Home / 11,296.04-15,590.21-6,515.09

Finding the Fourth Proportional to 11,296.04, 15,590.21 and 6,515.09

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Solution

The fourth proportional to 11,296.04, 15,590.21 and 6,515.09 is: 8,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.04 : 15,590.21 = 6,515.09 : x
  2. Step 2: Convert to fraction form
    11,296.04/15,590.21 = 6,515.09/x
  3. Step 3: Cross multiply
    11,296.04x = 15,590.21 × 6,515.09
  4. Step 4: Simplify right side
    11,296.04x = 101,571,624.18
  5. Step 5: Solve for x
    x = 101,571,624.18/11,296.04
  6. Step 6: Final answer
    x = 8,991.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.