Home / 6,563.28-9,054.12-3,909.84

Finding the Fourth Proportional to 6,563.28, 9,054.12 and 3,909.84

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Solution

The fourth proportional to 6,563.28, 9,054.12 and 3,909.84 is: 5,393.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,563.28 : 9,054.12 = 3,909.84 : x
  2. Step 2: Convert to fraction form
    6,563.28/9,054.12 = 3,909.84/x
  3. Step 3: Cross multiply
    6,563.28x = 9,054.12 × 3,909.84
  4. Step 4: Simplify right side
    6,563.28x = 35,400,160.54
  5. Step 5: Solve for x
    x = 35,400,160.54/6,563.28
  6. Step 6: Final answer
    x = 5,393.67

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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.