Home / 11,809.06-16,296.36-6,503.76

Finding the Fourth Proportional to 11,809.06, 16,296.36 and 6,503.76

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Solution

The fourth proportional to 11,809.06, 16,296.36 and 6,503.76 is: 8,975.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.06 : 16,296.36 = 6,503.76 : x
  2. Step 2: Convert to fraction form
    11,809.06/16,296.36 = 6,503.76/x
  3. Step 3: Cross multiply
    11,809.06x = 16,296.36 × 6,503.76
  4. Step 4: Simplify right side
    11,809.06x = 105,987,532.83
  5. Step 5: Solve for x
    x = 105,987,532.83/11,809.06
  6. Step 6: Final answer
    x = 8,975.11

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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.