Home / 11,211.16-15,468.15-7,234.60

Finding the Fourth Proportional to 11,211.16, 15,468.15 and 7,234.60

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Solution

The fourth proportional to 11,211.16, 15,468.15 and 7,234.60 is: 9,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.16 : 15,468.15 = 7,234.60 : x
  2. Step 2: Convert to fraction form
    11,211.16/15,468.15 = 7,234.60/x
  3. Step 3: Cross multiply
    11,211.16x = 15,468.15 × 7,234.60
  4. Step 4: Simplify right side
    11,211.16x = 111,905,877.99
  5. Step 5: Solve for x
    x = 111,905,877.99/11,211.16
  6. Step 6: Final answer
    x = 9,981.65

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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.