Home / 11,227.16-15,488.70-8,237.80

Finding the Fourth Proportional to 11,227.16, 15,488.70 and 8,237.80

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Solution

The fourth proportional to 11,227.16, 15,488.70 and 8,237.80 is: 11,364.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.16 : 15,488.70 = 8,237.80 : x
  2. Step 2: Convert to fraction form
    11,227.16/15,488.70 = 8,237.80/x
  3. Step 3: Cross multiply
    11,227.16x = 15,488.70 × 8,237.80
  4. Step 4: Simplify right side
    11,227.16x = 127,592,847.67
  5. Step 5: Solve for x
    x = 127,592,847.67/11,227.16
  6. Step 6: Final answer
    x = 11,364.66

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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.