Home / 7,660.60-10,571.40-4,675.36

Finding the Fourth Proportional to 7,660.60, 10,571.40 and 4,675.36

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Solution

The fourth proportional to 7,660.60, 10,571.40 and 4,675.36 is: 6,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.60 : 10,571.40 = 4,675.36 : x
  2. Step 2: Convert to fraction form
    7,660.60/10,571.40 = 4,675.36/x
  3. Step 3: Cross multiply
    7,660.60x = 10,571.40 × 4,675.36
  4. Step 4: Simplify right side
    7,660.60x = 49,425,100.70
  5. Step 5: Solve for x
    x = 49,425,100.70/7,660.60
  6. Step 6: Final answer
    x = 6,451.86

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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.