Home / 11,618.30-16,033.49-6,313.46

Finding the Fourth Proportional to 11,618.30, 16,033.49 and 6,313.46

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Solution

The fourth proportional to 11,618.30, 16,033.49 and 6,313.46 is: 8,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.30 : 16,033.49 = 6,313.46 : x
  2. Step 2: Convert to fraction form
    11,618.30/16,033.49 = 6,313.46/x
  3. Step 3: Cross multiply
    11,618.30x = 16,033.49 × 6,313.46
  4. Step 4: Simplify right side
    11,618.30x = 101,226,835.42
  5. Step 5: Solve for x
    x = 101,226,835.42/11,618.30
  6. Step 6: Final answer
    x = 8,712.70

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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.