Home / 9,811.14-13,539.29-5,334.85

Finding the Fourth Proportional to 9,811.14, 13,539.29 and 5,334.85

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Solution

The fourth proportional to 9,811.14, 13,539.29 and 5,334.85 is: 7,362.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.14 : 13,539.29 = 5,334.85 : x
  2. Step 2: Convert to fraction form
    9,811.14/13,539.29 = 5,334.85/x
  3. Step 3: Cross multiply
    9,811.14x = 13,539.29 × 5,334.85
  4. Step 4: Simplify right side
    9,811.14x = 72,230,081.26
  5. Step 5: Solve for x
    x = 72,230,081.26/9,811.14
  6. Step 6: Final answer
    x = 7,362.05

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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.