Home / 12,456.99-18,690.55-5,062.03

Finding the Fourth Proportional to 12,456.99, 18,690.55 and 5,062.03

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Solution

The fourth proportional to 12,456.99, 18,690.55 and 5,062.03 is: 7,595.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456.99 : 18,690.55 = 5,062.03 : x
  2. Step 2: Convert to fraction form
    12,456.99/18,690.55 = 5,062.03/x
  3. Step 3: Cross multiply
    12,456.99x = 18,690.55 × 5,062.03
  4. Step 4: Simplify right side
    12,456.99x = 94,612,065.44
  5. Step 5: Solve for x
    x = 94,612,065.44/12,456.99
  6. Step 6: Final answer
    x = 7,595.10

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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.