Home / 7,967.70-11,951.55-4,271.67

Finding the Fourth Proportional to 7,967.70, 11,951.55 and 4,271.67

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Solution

The fourth proportional to 7,967.70, 11,951.55 and 4,271.67 is: 6,407.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967.70 : 11,951.55 = 4,271.67 : x
  2. Step 2: Convert to fraction form
    7,967.70/11,951.55 = 4,271.67/x
  3. Step 3: Cross multiply
    7,967.70x = 11,951.55 × 4,271.67
  4. Step 4: Simplify right side
    7,967.70x = 51,053,077.59
  5. Step 5: Solve for x
    x = 51,053,077.59/7,967.70
  6. Step 6: Final answer
    x = 6,407.51

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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.