Home / 11,684.16-16,124.50-6,379.32

Finding the Fourth Proportional to 11,684.16, 16,124.50 and 6,379.32

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Solution

The fourth proportional to 11,684.16, 16,124.50 and 6,379.32 is: 8,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,684.16 : 16,124.50 = 6,379.32 : x
  2. Step 2: Convert to fraction form
    11,684.16/16,124.50 = 6,379.32/x
  3. Step 3: Cross multiply
    11,684.16x = 16,124.50 × 6,379.32
  4. Step 4: Simplify right side
    11,684.16x = 102,863,345.34
  5. Step 5: Solve for x
    x = 102,863,345.34/11,684.16
  6. Step 6: Final answer
    x = 8,803.66

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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.