Home / 28,529.34-42,792.84-7,469.04

Finding the Fourth Proportional to 28,529.34, 42,792.84 and 7,469.04

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Solution

The fourth proportional to 28,529.34, 42,792.84 and 7,469.04 is: 11,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,529.34 : 42,792.84 = 7,469.04 : x
  2. Step 2: Convert to fraction form
    28,529.34/42,792.84 = 7,469.04/x
  3. Step 3: Cross multiply
    28,529.34x = 42,792.84 × 7,469.04
  4. Step 4: Simplify right side
    28,529.34x = 319,621,433.67
  5. Step 5: Solve for x
    x = 319,621,433.67/28,529.34
  6. Step 6: Final answer
    x = 11,203.25

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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.