Home / 12,403.99-18,595-4,607.34

Finding the Fourth Proportional to 12,403.99, 18,595 and 4,607.34

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Solution

The fourth proportional to 12,403.99, 18,595 and 4,607.34 is: 6,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.99 : 18,595 = 4,607.34 : x
  2. Step 2: Convert to fraction form
    12,403.99/18,595 = 4,607.34/x
  3. Step 3: Cross multiply
    12,403.99x = 18,595 × 4,607.34
  4. Step 4: Simplify right side
    12,403.99x = 85,673,487.30
  5. Step 5: Solve for x
    x = 85,673,487.30/12,403.99
  6. Step 6: Final answer
    x = 6,906.93

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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.