Home / 11,776.88-16,252.44-6,471.74

Finding the Fourth Proportional to 11,776.88, 16,252.44 and 6,471.74

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Solution

The fourth proportional to 11,776.88, 16,252.44 and 6,471.74 is: 8,931.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,776.88 : 16,252.44 = 6,471.74 : x
  2. Step 2: Convert to fraction form
    11,776.88/16,252.44 = 6,471.74/x
  3. Step 3: Cross multiply
    11,776.88x = 16,252.44 × 6,471.74
  4. Step 4: Simplify right side
    11,776.88x = 105,181,566.05
  5. Step 5: Solve for x
    x = 105,181,566.05/11,776.88
  6. Step 6: Final answer
    x = 8,931.19

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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.