Home / 7,795.52-11,698.88-3,112.84

Finding the Fourth Proportional to 7,795.52, 11,698.88 and 3,112.84

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Solution

The fourth proportional to 7,795.52, 11,698.88 and 3,112.84 is: 4,671.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.52 : 11,698.88 = 3,112.84 : x
  2. Step 2: Convert to fraction form
    7,795.52/11,698.88 = 3,112.84/x
  3. Step 3: Cross multiply
    7,795.52x = 11,698.88 × 3,112.84
  4. Step 4: Simplify right side
    7,795.52x = 36,416,696.81
  5. Step 5: Solve for x
    x = 36,416,696.81/7,795.52
  6. Step 6: Final answer
    x = 4,671.49

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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.