Home / 11,777.10-16,252.65-6,472.00

Finding the Fourth Proportional to 11,777.10, 16,252.65 and 6,472.00

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Solution

The fourth proportional to 11,777.10, 16,252.65 and 6,472.00 is: 8,931.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,777.10 : 16,252.65 = 6,472.00 : x
  2. Step 2: Convert to fraction form
    11,777.10/16,252.65 = 6,472.00/x
  3. Step 3: Cross multiply
    11,777.10x = 16,252.65 × 6,472.00
  4. Step 4: Simplify right side
    11,777.10x = 105,187,171.12
  5. Step 5: Solve for x
    x = 105,187,171.12/11,777.10
  6. Step 6: Final answer
    x = 8,931.50

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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.