Home / 10,995.14-15,172.92-6,516.24

Finding the Fourth Proportional to 10,995.14, 15,172.92 and 6,516.24

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Solution

The fourth proportional to 10,995.14, 15,172.92 and 6,516.24 is: 8,992.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.14 : 15,172.92 = 6,516.24 : x
  2. Step 2: Convert to fraction form
    10,995.14/15,172.92 = 6,516.24/x
  3. Step 3: Cross multiply
    10,995.14x = 15,172.92 × 6,516.24
  4. Step 4: Simplify right side
    10,995.14x = 98,870,312.36
  5. Step 5: Solve for x
    x = 98,870,312.36/10,995.14
  6. Step 6: Final answer
    x = 8,992.18

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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.