Home / 9,678.35-14,516.82-3,102.77

Finding the Fourth Proportional to 9,678.35, 14,516.82 and 3,102.77

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Solution

The fourth proportional to 9,678.35, 14,516.82 and 3,102.77 is: 4,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.35 : 14,516.82 = 3,102.77 : x
  2. Step 2: Convert to fraction form
    9,678.35/14,516.82 = 3,102.77/x
  3. Step 3: Cross multiply
    9,678.35x = 14,516.82 × 3,102.77
  4. Step 4: Simplify right side
    9,678.35x = 45,042,389.88
  5. Step 5: Solve for x
    x = 45,042,389.88/9,678.35
  6. Step 6: Final answer
    x = 4,653.93

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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.