Home / 12,782.91-19,183.13-4,462.93

Finding the Fourth Proportional to 12,782.91, 19,183.13 and 4,462.93

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Solution

The fourth proportional to 12,782.91, 19,183.13 and 4,462.93 is: 6,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782.91 : 19,183.13 = 4,462.93 : x
  2. Step 2: Convert to fraction form
    12,782.91/19,183.13 = 4,462.93/x
  3. Step 3: Cross multiply
    12,782.91x = 19,183.13 × 4,462.93
  4. Step 4: Simplify right side
    12,782.91x = 85,613,009.88
  5. Step 5: Solve for x
    x = 85,613,009.88/12,782.91
  6. Step 6: Final answer
    x = 6,697.46

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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.