Home / 12,474.15-18,697.08-4,152.21

Finding the Fourth Proportional to 12,474.15, 18,697.08 and 4,152.21

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Solution

The fourth proportional to 12,474.15, 18,697.08 and 4,152.21 is: 6,223.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.15 : 18,697.08 = 4,152.21 : x
  2. Step 2: Convert to fraction form
    12,474.15/18,697.08 = 4,152.21/x
  3. Step 3: Cross multiply
    12,474.15x = 18,697.08 × 4,152.21
  4. Step 4: Simplify right side
    12,474.15x = 77,634,202.55
  5. Step 5: Solve for x
    x = 77,634,202.55/12,474.15
  6. Step 6: Final answer
    x = 6,223.61

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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.