Home / 7,824.77-11,736.95-2,630.64

Finding the Fourth Proportional to 7,824.77, 11,736.95 and 2,630.64

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Solution

The fourth proportional to 7,824.77, 11,736.95 and 2,630.64 is: 3,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.77 : 11,736.95 = 2,630.64 : x
  2. Step 2: Convert to fraction form
    7,824.77/11,736.95 = 2,630.64/x
  3. Step 3: Cross multiply
    7,824.77x = 11,736.95 × 2,630.64
  4. Step 4: Simplify right side
    7,824.77x = 30,875,676.99
  5. Step 5: Solve for x
    x = 30,875,676.99/7,824.77
  6. Step 6: Final answer
    x = 3,945.89

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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.