Home / 12,484.01-18,720.82-5,083.45

Finding the Fourth Proportional to 12,484.01, 18,720.82 and 5,083.45

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Solution

The fourth proportional to 12,484.01, 18,720.82 and 5,083.45 is: 7,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.01 : 18,720.82 = 5,083.45 : x
  2. Step 2: Convert to fraction form
    12,484.01/18,720.82 = 5,083.45/x
  3. Step 3: Cross multiply
    12,484.01x = 18,720.82 × 5,083.45
  4. Step 4: Simplify right side
    12,484.01x = 95,166,352.43
  5. Step 5: Solve for x
    x = 95,166,352.43/12,484.01
  6. Step 6: Final answer
    x = 7,623.06

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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.