Home / 11,049.78-16,549.14-6,657.54

Finding the Fourth Proportional to 11,049.78, 16,549.14 and 6,657.54

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Solution

The fourth proportional to 11,049.78, 16,549.14 and 6,657.54 is: 9,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,049.78 : 16,549.14 = 6,657.54 : x
  2. Step 2: Convert to fraction form
    11,049.78/16,549.14 = 6,657.54/x
  3. Step 3: Cross multiply
    11,049.78x = 16,549.14 × 6,657.54
  4. Step 4: Simplify right side
    11,049.78x = 110,176,561.52
  5. Step 5: Solve for x
    x = 110,176,561.52/11,049.78
  6. Step 6: Final answer
    x = 9,970.93

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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.