Home / 11,512.63-17,263.37-5,270.77

Finding the Fourth Proportional to 11,512.63, 17,263.37 and 5,270.77

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Solution

The fourth proportional to 11,512.63, 17,263.37 and 5,270.77 is: 7,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,512.63 : 17,263.37 = 5,270.77 : x
  2. Step 2: Convert to fraction form
    11,512.63/17,263.37 = 5,270.77/x
  3. Step 3: Cross multiply
    11,512.63x = 17,263.37 × 5,270.77
  4. Step 4: Simplify right side
    11,512.63x = 90,991,226.34
  5. Step 5: Solve for x
    x = 90,991,226.34/11,512.63
  6. Step 6: Final answer
    x = 7,903.60

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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.