Home / 7,686.72-11,464.45-6,524.37

Finding the Fourth Proportional to 7,686.72, 11,464.45 and 6,524.37

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Solution

The fourth proportional to 7,686.72, 11,464.45 and 6,524.37 is: 9,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.72 : 11,464.45 = 6,524.37 : x
  2. Step 2: Convert to fraction form
    7,686.72/11,464.45 = 6,524.37/x
  3. Step 3: Cross multiply
    7,686.72x = 11,464.45 × 6,524.37
  4. Step 4: Simplify right side
    7,686.72x = 74,798,297.34
  5. Step 5: Solve for x
    x = 74,798,297.34/7,686.72
  6. Step 6: Final answer
    x = 9,730.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.