Home / 28,350.82-42,513.93-8,624.77

Finding the Fourth Proportional to 28,350.82, 42,513.93 and 8,624.77

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Solution

The fourth proportional to 28,350.82, 42,513.93 and 8,624.77 is: 12,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.82 : 42,513.93 = 8,624.77 : x
  2. Step 2: Convert to fraction form
    28,350.82/42,513.93 = 8,624.77/x
  3. Step 3: Cross multiply
    28,350.82x = 42,513.93 × 8,624.77
  4. Step 4: Simplify right side
    28,350.82x = 366,672,868.05
  5. Step 5: Solve for x
    x = 366,672,868.05/28,350.82
  6. Step 6: Final answer
    x = 12,933.41

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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.