Home / 12,606.20-17,396.61-6,941.51

Finding the Fourth Proportional to 12,606.20, 17,396.61 and 6,941.51

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Solution

The fourth proportional to 12,606.20, 17,396.61 and 6,941.51 is: 9,579.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,606.20 : 17,396.61 = 6,941.51 : x
  2. Step 2: Convert to fraction form
    12,606.20/17,396.61 = 6,941.51/x
  3. Step 3: Cross multiply
    12,606.20x = 17,396.61 × 6,941.51
  4. Step 4: Simplify right side
    12,606.20x = 120,758,655.30
  5. Step 5: Solve for x
    x = 120,758,655.30/12,606.20
  6. Step 6: Final answer
    x = 9,579.31

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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.