Home / 12,452.06-18,678.30-4,656.62

Finding the Fourth Proportional to 12,452.06, 18,678.30 and 4,656.62

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Solution

The fourth proportional to 12,452.06, 18,678.30 and 4,656.62 is: 6,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,452.06 : 18,678.30 = 4,656.62 : x
  2. Step 2: Convert to fraction form
    12,452.06/18,678.30 = 4,656.62/x
  3. Step 3: Cross multiply
    12,452.06x = 18,678.30 × 4,656.62
  4. Step 4: Simplify right side
    12,452.06x = 86,977,745.35
  5. Step 5: Solve for x
    x = 86,977,745.35/12,452.06
  6. Step 6: Final answer
    x = 6,985.01

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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.