Home / 12,708.01-19,056.09-6,783.30

Finding the Fourth Proportional to 12,708.01, 19,056.09 and 6,783.30

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Solution

The fourth proportional to 12,708.01, 19,056.09 and 6,783.30 is: 10,171.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.01 : 19,056.09 = 6,783.30 : x
  2. Step 2: Convert to fraction form
    12,708.01/19,056.09 = 6,783.30/x
  3. Step 3: Cross multiply
    12,708.01x = 19,056.09 × 6,783.30
  4. Step 4: Simplify right side
    12,708.01x = 129,263,175.30
  5. Step 5: Solve for x
    x = 129,263,175.30/12,708.01
  6. Step 6: Final answer
    x = 10,171.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.