Home / 11,777.86-16,253.45-6,472.99

Finding the Fourth Proportional to 11,777.86, 16,253.45 and 6,472.99

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Solution

The fourth proportional to 11,777.86, 16,253.45 and 6,472.99 is: 8,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.86 : 16,253.45 = 6,472.99 : x
  2. Step 2: Convert to fraction form
    11,777.86/16,253.45 = 6,472.99/x
  3. Step 3: Cross multiply
    11,777.86x = 16,253.45 × 6,472.99
  4. Step 4: Simplify right side
    11,777.86x = 105,208,419.32
  5. Step 5: Solve for x
    x = 105,208,419.32/11,777.86
  6. Step 6: Final answer
    x = 8,932.73

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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.