Home / 9,811.26-13,539.70-5,335.04

Finding the Fourth Proportional to 9,811.26, 13,539.70 and 5,335.04

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Solution

The fourth proportional to 9,811.26, 13,539.70 and 5,335.04 is: 7,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,811.26 : 13,539.70 = 5,335.04 : x
  2. Step 2: Convert to fraction form
    9,811.26/13,539.70 = 5,335.04/x
  3. Step 3: Cross multiply
    9,811.26x = 13,539.70 × 5,335.04
  4. Step 4: Simplify right side
    9,811.26x = 72,234,820.58
  5. Step 5: Solve for x
    x = 72,234,820.58/9,811.26
  6. Step 6: Final answer
    x = 7,362.44

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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.