Home / 11,964.81-16,534.19-8,975.44

Finding the Fourth Proportional to 11,964.81, 16,534.19 and 8,975.44

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Solution

The fourth proportional to 11,964.81, 16,534.19 and 8,975.44 is: 12,403.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.81 : 16,534.19 = 8,975.44 : x
  2. Step 2: Convert to fraction form
    11,964.81/16,534.19 = 8,975.44/x
  3. Step 3: Cross multiply
    11,964.81x = 16,534.19 × 8,975.44
  4. Step 4: Simplify right side
    11,964.81x = 148,401,630.29
  5. Step 5: Solve for x
    x = 148,401,630.29/11,964.81
  6. Step 6: Final answer
    x = 12,403.17

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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.