Home / 12,206.16-16,844.54-7,725.24

Finding the Fourth Proportional to 12,206.16, 16,844.54 and 7,725.24

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Solution

The fourth proportional to 12,206.16, 16,844.54 and 7,725.24 is: 10,660.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,206.16 : 16,844.54 = 7,725.24 : x
  2. Step 2: Convert to fraction form
    12,206.16/16,844.54 = 7,725.24/x
  3. Step 3: Cross multiply
    12,206.16x = 16,844.54 × 7,725.24
  4. Step 4: Simplify right side
    12,206.16x = 130,128,114.19
  5. Step 5: Solve for x
    x = 130,128,114.19/12,206.16
  6. Step 6: Final answer
    x = 10,660.86

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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.