Home / 9,213.20-13,819.81-2,973.66

Finding the Fourth Proportional to 9,213.20, 13,819.81 and 2,973.66

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Solution

The fourth proportional to 9,213.20, 13,819.81 and 2,973.66 is: 4,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.20 : 13,819.81 = 2,973.66 : x
  2. Step 2: Convert to fraction form
    9,213.20/13,819.81 = 2,973.66/x
  3. Step 3: Cross multiply
    9,213.20x = 13,819.81 × 2,973.66
  4. Step 4: Simplify right side
    9,213.20x = 41,095,416.20
  5. Step 5: Solve for x
    x = 41,095,416.20/9,213.20
  6. Step 6: Final answer
    x = 4,460.49

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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.