Home / 7,780.32-10,736.96-4,794.46

Finding the Fourth Proportional to 7,780.32, 10,736.96 and 4,794.46

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Solution

The fourth proportional to 7,780.32, 10,736.96 and 4,794.46 is: 6,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780.32 : 10,736.96 = 4,794.46 : x
  2. Step 2: Convert to fraction form
    7,780.32/10,736.96 = 4,794.46/x
  3. Step 3: Cross multiply
    7,780.32x = 10,736.96 × 4,794.46
  4. Step 4: Simplify right side
    7,780.32x = 51,477,874.43
  5. Step 5: Solve for x
    x = 51,477,874.43/7,780.32
  6. Step 6: Final answer
    x = 6,616.42

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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.