Home / 12,039.14-18,042.31-5,798.70

Finding the Fourth Proportional to 12,039.14, 18,042.31 and 5,798.70

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Solution

The fourth proportional to 12,039.14, 18,042.31 and 5,798.70 is: 8,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.14 : 18,042.31 = 5,798.70 : x
  2. Step 2: Convert to fraction form
    12,039.14/18,042.31 = 5,798.70/x
  3. Step 3: Cross multiply
    12,039.14x = 18,042.31 × 5,798.70
  4. Step 4: Simplify right side
    12,039.14x = 104,621,950.25
  5. Step 5: Solve for x
    x = 104,621,950.25/12,039.14
  6. Step 6: Final answer
    x = 8,690.15

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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.