Home / 8,516.16-11,751.12-4,790.16

Finding the Fourth Proportional to 8,516.16, 11,751.12 and 4,790.16

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Solution

The fourth proportional to 8,516.16, 11,751.12 and 4,790.16 is: 6,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.16 : 11,751.12 = 4,790.16 : x
  2. Step 2: Convert to fraction form
    8,516.16/11,751.12 = 4,790.16/x
  3. Step 3: Cross multiply
    8,516.16x = 11,751.12 × 4,790.16
  4. Step 4: Simplify right side
    8,516.16x = 56,289,744.98
  5. Step 5: Solve for x
    x = 56,289,744.98/8,516.16
  6. Step 6: Final answer
    x = 6,609.76

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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.