Home / 12,474.19-18,712.07-5,074.60

Finding the Fourth Proportional to 12,474.19, 18,712.07 and 5,074.60

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Solution

The fourth proportional to 12,474.19, 18,712.07 and 5,074.60 is: 7,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474.19 : 18,712.07 = 5,074.60 : x
  2. Step 2: Convert to fraction form
    12,474.19/18,712.07 = 5,074.60/x
  3. Step 3: Cross multiply
    12,474.19x = 18,712.07 × 5,074.60
  4. Step 4: Simplify right side
    12,474.19x = 94,956,316.01
  5. Step 5: Solve for x
    x = 94,956,316.01/12,474.19
  6. Step 6: Final answer
    x = 7,612.22

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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.