Home / 11,069.88-15,287.16-9,467.16

Finding the Fourth Proportional to 11,069.88, 15,287.16 and 9,467.16

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Solution

The fourth proportional to 11,069.88, 15,287.16 and 9,467.16 is: 13,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.88 : 15,287.16 = 9,467.16 : x
  2. Step 2: Convert to fraction form
    11,069.88/15,287.16 = 9,467.16/x
  3. Step 3: Cross multiply
    11,069.88x = 15,287.16 × 9,467.16
  4. Step 4: Simplify right side
    11,069.88x = 144,725,989.67
  5. Step 5: Solve for x
    x = 144,725,989.67/11,069.88
  6. Step 6: Final answer
    x = 13,073.85

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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.