Home / 11,813.12-16,302.10-6,507.94

Finding the Fourth Proportional to 11,813.12, 16,302.10 and 6,507.94

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Solution

The fourth proportional to 11,813.12, 16,302.10 and 6,507.94 is: 8,980.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,813.12 : 16,302.10 = 6,507.94 : x
  2. Step 2: Convert to fraction form
    11,813.12/16,302.10 = 6,507.94/x
  3. Step 3: Cross multiply
    11,813.12x = 16,302.10 × 6,507.94
  4. Step 4: Simplify right side
    11,813.12x = 106,093,025.49
  5. Step 5: Solve for x
    x = 106,093,025.49/11,813.12
  6. Step 6: Final answer
    x = 8,980.95

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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.