Home / 12,561.96-17,336.10-6,973

Finding the Fourth Proportional to 12,561.96, 17,336.10 and 6,973

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Solution

The fourth proportional to 12,561.96, 17,336.10 and 6,973 is: 9,623.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.96 : 17,336.10 = 6,973 : x
  2. Step 2: Convert to fraction form
    12,561.96/17,336.10 = 6,973/x
  3. Step 3: Cross multiply
    12,561.96x = 17,336.10 × 6,973
  4. Step 4: Simplify right side
    12,561.96x = 120,884,625.30
  5. Step 5: Solve for x
    x = 120,884,625.30/12,561.96
  6. Step 6: Final answer
    x = 9,623.07

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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.