Home / 13,081.02-18,056.70-8,046.06

Finding the Fourth Proportional to 13,081.02, 18,056.70 and 8,046.06

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Solution

The fourth proportional to 13,081.02, 18,056.70 and 8,046.06 is: 11,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.02 : 18,056.70 = 8,046.06 : x
  2. Step 2: Convert to fraction form
    13,081.02/18,056.70 = 8,046.06/x
  3. Step 3: Cross multiply
    13,081.02x = 18,056.70 × 8,046.06
  4. Step 4: Simplify right side
    13,081.02x = 145,285,291.60
  5. Step 5: Solve for x
    x = 145,285,291.60/13,081.02
  6. Step 6: Final answer
    x = 11,106.57

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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.