Home / 11,814.85-16,305.60-6,510.43

Finding the Fourth Proportional to 11,814.85, 16,305.60 and 6,510.43

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Solution

The fourth proportional to 11,814.85, 16,305.60 and 6,510.43 is: 8,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,814.85 : 16,305.60 = 6,510.43 : x
  2. Step 2: Convert to fraction form
    11,814.85/16,305.60 = 6,510.43/x
  3. Step 3: Cross multiply
    11,814.85x = 16,305.60 × 6,510.43
  4. Step 4: Simplify right side
    11,814.85x = 106,156,467.41
  5. Step 5: Solve for x
    x = 106,156,467.41/11,814.85
  6. Step 6: Final answer
    x = 8,985.00

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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.