Home / 9,993.17-13,790.69-5,516.93

Finding the Fourth Proportional to 9,993.17, 13,790.69 and 5,516.93

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Solution

The fourth proportional to 9,993.17, 13,790.69 and 5,516.93 is: 7,613.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,993.17 : 13,790.69 = 5,516.93 : x
  2. Step 2: Convert to fraction form
    9,993.17/13,790.69 = 5,516.93/x
  3. Step 3: Cross multiply
    9,993.17x = 13,790.69 × 5,516.93
  4. Step 4: Simplify right side
    9,993.17x = 76,082,319.65
  5. Step 5: Solve for x
    x = 76,082,319.65/9,993.17
  6. Step 6: Final answer
    x = 7,613.43

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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.