Home / 11,110.83-15,333.75-6,634.77

Finding the Fourth Proportional to 11,110.83, 15,333.75 and 6,634.77

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Solution

The fourth proportional to 11,110.83, 15,333.75 and 6,634.77 is: 9,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.83 : 15,333.75 = 6,634.77 : x
  2. Step 2: Convert to fraction form
    11,110.83/15,333.75 = 6,634.77/x
  3. Step 3: Cross multiply
    11,110.83x = 15,333.75 × 6,634.77
  4. Step 4: Simplify right side
    11,110.83x = 101,735,904.49
  5. Step 5: Solve for x
    x = 101,735,904.49/11,110.83
  6. Step 6: Final answer
    x = 9,156.46

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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.