Home / 11,285.40-15,573.86-6,180.89

Finding the Fourth Proportional to 11,285.40, 15,573.86 and 6,180.89

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Solution

The fourth proportional to 11,285.40, 15,573.86 and 6,180.89 is: 8,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.40 : 15,573.86 = 6,180.89 : x
  2. Step 2: Convert to fraction form
    11,285.40/15,573.86 = 6,180.89/x
  3. Step 3: Cross multiply
    11,285.40x = 15,573.86 × 6,180.89
  4. Step 4: Simplify right side
    11,285.40x = 96,260,315.54
  5. Step 5: Solve for x
    x = 96,260,315.54/11,285.40
  6. Step 6: Final answer
    x = 8,529.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.