Home / 10,460.79-15,690.38-3,441.02

Finding the Fourth Proportional to 10,460.79, 15,690.38 and 3,441.02

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Solution

The fourth proportional to 10,460.79, 15,690.38 and 3,441.02 is: 5,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,460.79 : 15,690.38 = 3,441.02 : x
  2. Step 2: Convert to fraction form
    10,460.79/15,690.38 = 3,441.02/x
  3. Step 3: Cross multiply
    10,460.79x = 15,690.38 × 3,441.02
  4. Step 4: Simplify right side
    10,460.79x = 53,990,815.73
  5. Step 5: Solve for x
    x = 53,990,815.73/10,460.79
  6. Step 6: Final answer
    x = 5,161.26

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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.