Home / 12,069.43-16,656.79-6,692.40

Finding the Fourth Proportional to 12,069.43, 16,656.79 and 6,692.40

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Solution

The fourth proportional to 12,069.43, 16,656.79 and 6,692.40 is: 9,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.43 : 16,656.79 = 6,692.40 : x
  2. Step 2: Convert to fraction form
    12,069.43/16,656.79 = 6,692.40/x
  3. Step 3: Cross multiply
    12,069.43x = 16,656.79 × 6,692.40
  4. Step 4: Simplify right side
    12,069.43x = 111,473,801.38
  5. Step 5: Solve for x
    x = 111,473,801.38/12,069.43
  6. Step 6: Final answer
    x = 9,236.05

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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.