Home / 11,777.08-16,252.42-6,471.76

Finding the Fourth Proportional to 11,777.08, 16,252.42 and 6,471.76

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Solution

The fourth proportional to 11,777.08, 16,252.42 and 6,471.76 is: 8,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.08 : 16,252.42 = 6,471.76 : x
  2. Step 2: Convert to fraction form
    11,777.08/16,252.42 = 6,471.76/x
  3. Step 3: Cross multiply
    11,777.08x = 16,252.42 × 6,471.76
  4. Step 4: Simplify right side
    11,777.08x = 105,181,761.66
  5. Step 5: Solve for x
    x = 105,181,761.66/11,777.08
  6. Step 6: Final answer
    x = 8,931.06

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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.