Home / 11,152.58-16,729.88-7,960.23

Finding the Fourth Proportional to 11,152.58, 16,729.88 and 7,960.23

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Solution

The fourth proportional to 11,152.58, 16,729.88 and 7,960.23 is: 11,941.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.58 : 16,729.88 = 7,960.23 : x
  2. Step 2: Convert to fraction form
    11,152.58/16,729.88 = 7,960.23/x
  3. Step 3: Cross multiply
    11,152.58x = 16,729.88 × 7,960.23
  4. Step 4: Simplify right side
    11,152.58x = 133,173,652.87
  5. Step 5: Solve for x
    x = 133,173,652.87/11,152.58
  6. Step 6: Final answer
    x = 11,941.07

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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.