Home / 10,995.62-16,516.29-8,889.63

Finding the Fourth Proportional to 10,995.62, 16,516.29 and 8,889.63

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Solution

The fourth proportional to 10,995.62, 16,516.29 and 8,889.63 is: 13,352.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.62 : 16,516.29 = 8,889.63 : x
  2. Step 2: Convert to fraction form
    10,995.62/16,516.29 = 8,889.63/x
  3. Step 3: Cross multiply
    10,995.62x = 16,516.29 × 8,889.63
  4. Step 4: Simplify right side
    10,995.62x = 146,823,696.37
  5. Step 5: Solve for x
    x = 146,823,696.37/10,995.62
  6. Step 6: Final answer
    x = 13,352.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.