Home / 11,386.37-17,080.77-4,811.70

Finding the Fourth Proportional to 11,386.37, 17,080.77 and 4,811.70

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Solution

The fourth proportional to 11,386.37, 17,080.77 and 4,811.70 is: 7,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.37 : 17,080.77 = 4,811.70 : x
  2. Step 2: Convert to fraction form
    11,386.37/17,080.77 = 4,811.70/x
  3. Step 3: Cross multiply
    11,386.37x = 17,080.77 × 4,811.70
  4. Step 4: Simplify right side
    11,386.37x = 82,187,623.11
  5. Step 5: Solve for x
    x = 82,187,623.11/11,386.37
  6. Step 6: Final answer
    x = 7,218.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.