Home / 12,523.34-18,784.36-4,203.42

Finding the Fourth Proportional to 12,523.34, 18,784.36 and 4,203.42

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Solution

The fourth proportional to 12,523.34, 18,784.36 and 4,203.42 is: 6,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.34 : 18,784.36 = 4,203.42 : x
  2. Step 2: Convert to fraction form
    12,523.34/18,784.36 = 4,203.42/x
  3. Step 3: Cross multiply
    12,523.34x = 18,784.36 × 4,203.42
  4. Step 4: Simplify right side
    12,523.34x = 78,958,554.51
  5. Step 5: Solve for x
    x = 78,958,554.51/12,523.34
  6. Step 6: Final answer
    x = 6,304.91

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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.