Home / 28,589.43-42,886.26-7,529.33

Finding the Fourth Proportional to 28,589.43, 42,886.26 and 7,529.33

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Solution

The fourth proportional to 28,589.43, 42,886.26 and 7,529.33 is: 11,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,589.43 : 42,886.26 = 7,529.33 : x
  2. Step 2: Convert to fraction form
    28,589.43/42,886.26 = 7,529.33/x
  3. Step 3: Cross multiply
    28,589.43x = 42,886.26 × 7,529.33
  4. Step 4: Simplify right side
    28,589.43x = 322,904,911.22
  5. Step 5: Solve for x
    x = 322,904,911.22/28,589.43
  6. Step 6: Final answer
    x = 11,294.55

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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.