Home / 9,692.62-13,380.48-6,504.72

Finding the Fourth Proportional to 9,692.62, 13,380.48 and 6,504.72

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Solution

The fourth proportional to 9,692.62, 13,380.48 and 6,504.72 is: 8,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,692.62 : 13,380.48 = 6,504.72 : x
  2. Step 2: Convert to fraction form
    9,692.62/13,380.48 = 6,504.72/x
  3. Step 3: Cross multiply
    9,692.62x = 13,380.48 × 6,504.72
  4. Step 4: Simplify right side
    9,692.62x = 87,036,275.87
  5. Step 5: Solve for x
    x = 87,036,275.87/9,692.62
  6. Step 6: Final answer
    x = 8,979.64

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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.