Home / 11,069.12-15,254.88-7,532.48

Finding the Fourth Proportional to 11,069.12, 15,254.88 and 7,532.48

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Solution

The fourth proportional to 11,069.12, 15,254.88 and 7,532.48 is: 10,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.12 : 15,254.88 = 7,532.48 : x
  2. Step 2: Convert to fraction form
    11,069.12/15,254.88 = 7,532.48/x
  3. Step 3: Cross multiply
    11,069.12x = 15,254.88 × 7,532.48
  4. Step 4: Simplify right side
    11,069.12x = 114,907,078.50
  5. Step 5: Solve for x
    x = 114,907,078.50/11,069.12
  6. Step 6: Final answer
    x = 10,380.87

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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.