Home / 11,698.08-16,143.15-6,392.77

Finding the Fourth Proportional to 11,698.08, 16,143.15 and 6,392.77

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Solution

The fourth proportional to 11,698.08, 16,143.15 and 6,392.77 is: 8,821.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,698.08 : 16,143.15 = 6,392.77 : x
  2. Step 2: Convert to fraction form
    11,698.08/16,143.15 = 6,392.77/x
  3. Step 3: Cross multiply
    11,698.08x = 16,143.15 × 6,392.77
  4. Step 4: Simplify right side
    11,698.08x = 103,199,445.03
  5. Step 5: Solve for x
    x = 103,199,445.03/11,698.08
  6. Step 6: Final answer
    x = 8,821.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.