Home / 12,275.19-16,821.72-11,094.21

Finding the Fourth Proportional to 12,275.19, 16,821.72 and 11,094.21

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Solution

The fourth proportional to 12,275.19, 16,821.72 and 11,094.21 is: 15,203.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,275.19 : 16,821.72 = 11,094.21 : x
  2. Step 2: Convert to fraction form
    12,275.19/16,821.72 = 11,094.21/x
  3. Step 3: Cross multiply
    12,275.19x = 16,821.72 × 11,094.21
  4. Step 4: Simplify right side
    12,275.19x = 186,623,694.24
  5. Step 5: Solve for x
    x = 186,623,694.24/12,275.19
  6. Step 6: Final answer
    x = 15,203.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.