Home / 28,524.96-42,787.58-7,748.46

Finding the Fourth Proportional to 28,524.96, 42,787.58 and 7,748.46

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Solution

The fourth proportional to 28,524.96, 42,787.58 and 7,748.46 is: 11,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,524.96 : 42,787.58 = 7,748.46 : x
  2. Step 2: Convert to fraction form
    28,524.96/42,787.58 = 7,748.46/x
  3. Step 3: Cross multiply
    28,524.96x = 42,787.58 × 7,748.46
  4. Step 4: Simplify right side
    28,524.96x = 331,537,813.38
  5. Step 5: Solve for x
    x = 331,537,813.38/28,524.96
  6. Step 6: Final answer
    x = 11,622.73

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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.