Home / 12,404.16-18,594.54-5,379.66

Finding the Fourth Proportional to 12,404.16, 18,594.54 and 5,379.66

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Solution

The fourth proportional to 12,404.16, 18,594.54 and 5,379.66 is: 8,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,404.16 : 18,594.54 = 5,379.66 : x
  2. Step 2: Convert to fraction form
    12,404.16/18,594.54 = 5,379.66/x
  3. Step 3: Cross multiply
    12,404.16x = 18,594.54 × 5,379.66
  4. Step 4: Simplify right side
    12,404.16x = 100,032,303.06
  5. Step 5: Solve for x
    x = 100,032,303.06/12,404.16
  6. Step 6: Final answer
    x = 8,064.42

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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.