Home / 13,081.04-18,056.72-8,046.08

Finding the Fourth Proportional to 13,081.04, 18,056.72 and 8,046.08

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Solution

The fourth proportional to 13,081.04, 18,056.72 and 8,046.08 is: 11,106.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.04 : 18,056.72 = 8,046.08 : x
  2. Step 2: Convert to fraction form
    13,081.04/18,056.72 = 8,046.08/x
  3. Step 3: Cross multiply
    13,081.04x = 18,056.72 × 8,046.08
  4. Step 4: Simplify right side
    13,081.04x = 145,285,813.66
  5. Step 5: Solve for x
    x = 145,285,813.66/13,081.04
  6. Step 6: Final answer
    x = 11,106.60

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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.