Home / 9,213.39-12,714.72-5,234.67

Finding the Fourth Proportional to 9,213.39, 12,714.72 and 5,234.67

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Solution

The fourth proportional to 9,213.39, 12,714.72 and 5,234.67 is: 7,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.39 : 12,714.72 = 5,234.67 : x
  2. Step 2: Convert to fraction form
    9,213.39/12,714.72 = 5,234.67/x
  3. Step 3: Cross multiply
    9,213.39x = 12,714.72 × 5,234.67
  4. Step 4: Simplify right side
    9,213.39x = 66,557,363.34
  5. Step 5: Solve for x
    x = 66,557,363.34/9,213.39
  6. Step 6: Final answer
    x = 7,223.98

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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.