Home / 12,561.50-17,334.87-6,973.58

Finding the Fourth Proportional to 12,561.50, 17,334.87 and 6,973.58

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Solution

The fourth proportional to 12,561.50, 17,334.87 and 6,973.58 is: 9,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,561.50 : 17,334.87 = 6,973.58 : x
  2. Step 2: Convert to fraction form
    12,561.50/17,334.87 = 6,973.58/x
  3. Step 3: Cross multiply
    12,561.50x = 17,334.87 × 6,973.58
  4. Step 4: Simplify right side
    12,561.50x = 120,886,102.73
  5. Step 5: Solve for x
    x = 120,886,102.73/12,561.50
  6. Step 6: Final answer
    x = 9,623.54

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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.