Home / 12,523.68-18,774.45-4,727.03

Finding the Fourth Proportional to 12,523.68, 18,774.45 and 4,727.03

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Solution

The fourth proportional to 12,523.68, 18,774.45 and 4,727.03 is: 7,086.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,523.68 : 18,774.45 = 4,727.03 : x
  2. Step 2: Convert to fraction form
    12,523.68/18,774.45 = 4,727.03/x
  3. Step 3: Cross multiply
    12,523.68x = 18,774.45 × 4,727.03
  4. Step 4: Simplify right side
    12,523.68x = 88,747,294.51
  5. Step 5: Solve for x
    x = 88,747,294.51/12,523.68
  6. Step 6: Final answer
    x = 7,086.36

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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.