Home / 11,031.77-15,218.54-6,313.25

Finding the Fourth Proportional to 11,031.77, 15,218.54 and 6,313.25

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Solution

The fourth proportional to 11,031.77, 15,218.54 and 6,313.25 is: 8,709.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.77 : 15,218.54 = 6,313.25 : x
  2. Step 2: Convert to fraction form
    11,031.77/15,218.54 = 6,313.25/x
  3. Step 3: Cross multiply
    11,031.77x = 15,218.54 × 6,313.25
  4. Step 4: Simplify right side
    11,031.77x = 96,078,447.66
  5. Step 5: Solve for x
    x = 96,078,447.66/11,031.77
  6. Step 6: Final answer
    x = 8,709.25

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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.