Home / 9,080.45-13,630.21-8,047.07

Finding the Fourth Proportional to 9,080.45, 13,630.21 and 8,047.07

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Solution

The fourth proportional to 9,080.45, 13,630.21 and 8,047.07 is: 12,079.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,080.45 : 13,630.21 = 8,047.07 : x
  2. Step 2: Convert to fraction form
    9,080.45/13,630.21 = 8,047.07/x
  3. Step 3: Cross multiply
    9,080.45x = 13,630.21 × 8,047.07
  4. Step 4: Simplify right side
    9,080.45x = 109,683,145.60
  5. Step 5: Solve for x
    x = 109,683,145.60/9,080.45
  6. Step 6: Final answer
    x = 12,079.05

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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.