Home / 9,050.45-13,548.74-8,100.12

Finding the Fourth Proportional to 9,050.45, 13,548.74 and 8,100.12

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Solution

The fourth proportional to 9,050.45, 13,548.74 and 8,100.12 is: 12,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,050.45 : 13,548.74 = 8,100.12 : x
  2. Step 2: Convert to fraction form
    9,050.45/13,548.74 = 8,100.12/x
  3. Step 3: Cross multiply
    9,050.45x = 13,548.74 × 8,100.12
  4. Step 4: Simplify right side
    9,050.45x = 109,746,419.85
  5. Step 5: Solve for x
    x = 109,746,419.85/9,050.45
  6. Step 6: Final answer
    x = 12,126.07

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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.