Home / 10,811.88-14,920.56-6,334.56

Finding the Fourth Proportional to 10,811.88, 14,920.56 and 6,334.56

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Solution

The fourth proportional to 10,811.88, 14,920.56 and 6,334.56 is: 8,741.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.88 : 14,920.56 = 6,334.56 : x
  2. Step 2: Convert to fraction form
    10,811.88/14,920.56 = 6,334.56/x
  3. Step 3: Cross multiply
    10,811.88x = 14,920.56 × 6,334.56
  4. Step 4: Simplify right side
    10,811.88x = 94,515,182.55
  5. Step 5: Solve for x
    x = 94,515,182.55/10,811.88
  6. Step 6: Final answer
    x = 8,741.79

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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.