Home / 12,006.36-17,998.58-4,210.92

Finding the Fourth Proportional to 12,006.36, 17,998.58 and 4,210.92

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Solution

The fourth proportional to 12,006.36, 17,998.58 and 4,210.92 is: 6,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,006.36 : 17,998.58 = 4,210.92 : x
  2. Step 2: Convert to fraction form
    12,006.36/17,998.58 = 4,210.92/x
  3. Step 3: Cross multiply
    12,006.36x = 17,998.58 × 4,210.92
  4. Step 4: Simplify right side
    12,006.36x = 75,790,580.49
  5. Step 5: Solve for x
    x = 75,790,580.49/12,006.36
  6. Step 6: Final answer
    x = 6,312.54

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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.