Home / 12,008.63-18,020.23-5,083.13

Finding the Fourth Proportional to 12,008.63, 18,020.23 and 5,083.13

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Solution

The fourth proportional to 12,008.63, 18,020.23 and 5,083.13 is: 7,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008.63 : 18,020.23 = 5,083.13 : x
  2. Step 2: Convert to fraction form
    12,008.63/18,020.23 = 5,083.13/x
  3. Step 3: Cross multiply
    12,008.63x = 18,020.23 × 5,083.13
  4. Step 4: Simplify right side
    12,008.63x = 91,599,068.91
  5. Step 5: Solve for x
    x = 91,599,068.91/12,008.63
  6. Step 6: Final answer
    x = 7,627.77

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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.