Home / 11,808.50-16,295.74-6,503.30

Finding the Fourth Proportional to 11,808.50, 16,295.74 and 6,503.30

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Solution

The fourth proportional to 11,808.50, 16,295.74 and 6,503.30 is: 8,974.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.50 : 16,295.74 = 6,503.30 : x
  2. Step 2: Convert to fraction form
    11,808.50/16,295.74 = 6,503.30/x
  3. Step 3: Cross multiply
    11,808.50x = 16,295.74 × 6,503.30
  4. Step 4: Simplify right side
    11,808.50x = 105,976,085.94
  5. Step 5: Solve for x
    x = 105,976,085.94/11,808.50
  6. Step 6: Final answer
    x = 8,974.56

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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.