Home / 28,782.84-43,171.34-9,060.84

Finding the Fourth Proportional to 28,782.84, 43,171.34 and 9,060.84

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Solution

The fourth proportional to 28,782.84, 43,171.34 and 9,060.84 is: 13,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.84 : 43,171.34 = 9,060.84 : x
  2. Step 2: Convert to fraction form
    28,782.84/43,171.34 = 9,060.84/x
  3. Step 3: Cross multiply
    28,782.84x = 43,171.34 × 9,060.84
  4. Step 4: Simplify right side
    28,782.84x = 391,168,604.33
  5. Step 5: Solve for x
    x = 391,168,604.33/28,782.84
  6. Step 6: Final answer
    x = 13,590.34

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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.