Home / 12,152.95-18,232.49-5,134.73

Finding the Fourth Proportional to 12,152.95, 18,232.49 and 5,134.73

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Solution

The fourth proportional to 12,152.95, 18,232.49 and 5,134.73 is: 7,703.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.95 : 18,232.49 = 5,134.73 : x
  2. Step 2: Convert to fraction form
    12,152.95/18,232.49 = 5,134.73/x
  3. Step 3: Cross multiply
    12,152.95x = 18,232.49 × 5,134.73
  4. Step 4: Simplify right side
    12,152.95x = 93,618,835.05
  5. Step 5: Solve for x
    x = 93,618,835.05/12,152.95
  6. Step 6: Final answer
    x = 7,703.39

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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.