Home / 11,848.65-16,353.69-8,080.80

Finding the Fourth Proportional to 11,848.65, 16,353.69 and 8,080.80

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Solution

The fourth proportional to 11,848.65, 16,353.69 and 8,080.80 is: 11,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.65 : 16,353.69 = 8,080.80 : x
  2. Step 2: Convert to fraction form
    11,848.65/16,353.69 = 8,080.80/x
  3. Step 3: Cross multiply
    11,848.65x = 16,353.69 × 8,080.80
  4. Step 4: Simplify right side
    11,848.65x = 132,150,898.15
  5. Step 5: Solve for x
    x = 132,150,898.15/11,848.65
  6. Step 6: Final answer
    x = 11,153.25

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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.