Home / 11,809.18-16,296.53-6,503.88

Finding the Fourth Proportional to 11,809.18, 16,296.53 and 6,503.88

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Solution

The fourth proportional to 11,809.18, 16,296.53 and 6,503.88 is: 8,975.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.18 : 16,296.53 = 6,503.88 : x
  2. Step 2: Convert to fraction form
    11,809.18/16,296.53 = 6,503.88/x
  3. Step 3: Cross multiply
    11,809.18x = 16,296.53 × 6,503.88
  4. Step 4: Simplify right side
    11,809.18x = 105,990,675.54
  5. Step 5: Solve for x
    x = 105,990,675.54/11,809.18
  6. Step 6: Final answer
    x = 8,975.28

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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.