Home / 7,427.40-10,246.62-4,281.72

Finding the Fourth Proportional to 7,427.40, 10,246.62 and 4,281.72

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Solution

The fourth proportional to 7,427.40, 10,246.62 and 4,281.72 is: 5,906.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.40 : 10,246.62 = 4,281.72 : x
  2. Step 2: Convert to fraction form
    7,427.40/10,246.62 = 4,281.72/x
  3. Step 3: Cross multiply
    7,427.40x = 10,246.62 × 4,281.72
  4. Step 4: Simplify right side
    7,427.40x = 43,873,157.79
  5. Step 5: Solve for x
    x = 43,873,157.79/7,427.40
  6. Step 6: Final answer
    x = 5,906.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.