Home / 11,223.98-15,488.91-6,188.67

Finding the Fourth Proportional to 11,223.98, 15,488.91 and 6,188.67

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Solution

The fourth proportional to 11,223.98, 15,488.91 and 6,188.67 is: 8,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.98 : 15,488.91 = 6,188.67 : x
  2. Step 2: Convert to fraction form
    11,223.98/15,488.91 = 6,188.67/x
  3. Step 3: Cross multiply
    11,223.98x = 15,488.91 × 6,188.67
  4. Step 4: Simplify right side
    11,223.98x = 95,855,752.65
  5. Step 5: Solve for x
    x = 95,855,752.65/11,223.98
  6. Step 6: Final answer
    x = 8,540.26

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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.