Home / 9,052.12-13,578.70-2,812.68

Finding the Fourth Proportional to 9,052.12, 13,578.70 and 2,812.68

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Solution

The fourth proportional to 9,052.12, 13,578.70 and 2,812.68 is: 4,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,052.12 : 13,578.70 = 2,812.68 : x
  2. Step 2: Convert to fraction form
    9,052.12/13,578.70 = 2,812.68/x
  3. Step 3: Cross multiply
    9,052.12x = 13,578.70 × 2,812.68
  4. Step 4: Simplify right side
    9,052.12x = 38,192,537.92
  5. Step 5: Solve for x
    x = 38,192,537.92/9,052.12
  6. Step 6: Final answer
    x = 4,219.18

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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.