Home / 11,816.37-16,303.77-6,711.63

Finding the Fourth Proportional to 11,816.37, 16,303.77 and 6,711.63

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Solution

The fourth proportional to 11,816.37, 16,303.77 and 6,711.63 is: 9,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,816.37 : 16,303.77 = 6,711.63 : x
  2. Step 2: Convert to fraction form
    11,816.37/16,303.77 = 6,711.63/x
  3. Step 3: Cross multiply
    11,816.37x = 16,303.77 × 6,711.63
  4. Step 4: Simplify right side
    11,816.37x = 109,424,871.85
  5. Step 5: Solve for x
    x = 109,424,871.85/11,816.37
  6. Step 6: Final answer
    x = 9,260.45

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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.