Home / 7,775.60-11,635.52-4,472.48

Finding the Fourth Proportional to 7,775.60, 11,635.52 and 4,472.48

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Solution

The fourth proportional to 7,775.60, 11,635.52 and 4,472.48 is: 6,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,775.60 : 11,635.52 = 4,472.48 : x
  2. Step 2: Convert to fraction form
    7,775.60/11,635.52 = 4,472.48/x
  3. Step 3: Cross multiply
    7,775.60x = 11,635.52 × 4,472.48
  4. Step 4: Simplify right side
    7,775.60x = 52,039,637.22
  5. Step 5: Solve for x
    x = 52,039,637.22/7,775.60
  6. Step 6: Final answer
    x = 6,692.69

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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.