Home / 9,412.60-14,118.55-3,172.48

Finding the Fourth Proportional to 9,412.60, 14,118.55 and 3,172.48

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Solution

The fourth proportional to 9,412.60, 14,118.55 and 3,172.48 is: 4,758.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,412.60 : 14,118.55 = 3,172.48 : x
  2. Step 2: Convert to fraction form
    9,412.60/14,118.55 = 3,172.48/x
  3. Step 3: Cross multiply
    9,412.60x = 14,118.55 × 3,172.48
  4. Step 4: Simplify right side
    9,412.60x = 44,790,817.50
  5. Step 5: Solve for x
    x = 44,790,817.50/9,412.60
  6. Step 6: Final answer
    x = 4,758.60

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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.