Home / 7,141.41-10,712.16-1,947.33

Finding the Fourth Proportional to 7,141.41, 10,712.16 and 1,947.33

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Solution

The fourth proportional to 7,141.41, 10,712.16 and 1,947.33 is: 2,921.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.41 : 10,712.16 = 1,947.33 : x
  2. Step 2: Convert to fraction form
    7,141.41/10,712.16 = 1,947.33/x
  3. Step 3: Cross multiply
    7,141.41x = 10,712.16 × 1,947.33
  4. Step 4: Simplify right side
    7,141.41x = 20,860,110.53
  5. Step 5: Solve for x
    x = 20,860,110.53/7,141.41
  6. Step 6: Final answer
    x = 2,921.01

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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.