Home / 9,951.57-14,900.67-5,261.85

Finding the Fourth Proportional to 9,951.57, 14,900.67 and 5,261.85

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Solution

The fourth proportional to 9,951.57, 14,900.67 and 5,261.85 is: 7,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,951.57 : 14,900.67 = 5,261.85 : x
  2. Step 2: Convert to fraction form
    9,951.57/14,900.67 = 5,261.85/x
  3. Step 3: Cross multiply
    9,951.57x = 14,900.67 × 5,261.85
  4. Step 4: Simplify right side
    9,951.57x = 78,405,090.44
  5. Step 5: Solve for x
    x = 78,405,090.44/9,951.57
  6. Step 6: Final answer
    x = 7,878.67

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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.