Home / 11,681.16-16,120.02-6,375.98

Finding the Fourth Proportional to 11,681.16, 16,120.02 and 6,375.98

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Solution

The fourth proportional to 11,681.16, 16,120.02 and 6,375.98 is: 8,798.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,681.16 : 16,120.02 = 6,375.98 : x
  2. Step 2: Convert to fraction form
    11,681.16/16,120.02 = 6,375.98/x
  3. Step 3: Cross multiply
    11,681.16x = 16,120.02 × 6,375.98
  4. Step 4: Simplify right side
    11,681.16x = 102,780,893.01
  5. Step 5: Solve for x
    x = 102,780,893.01/11,681.16
  6. Step 6: Final answer
    x = 8,798.86

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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.