Home / 10,121.94-15,184.92-3,548.34

Finding the Fourth Proportional to 10,121.94, 15,184.92 and 3,548.34

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Solution

The fourth proportional to 10,121.94, 15,184.92 and 3,548.34 is: 5,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.94 : 15,184.92 = 3,548.34 : x
  2. Step 2: Convert to fraction form
    10,121.94/15,184.92 = 3,548.34/x
  3. Step 3: Cross multiply
    10,121.94x = 15,184.92 × 3,548.34
  4. Step 4: Simplify right side
    10,121.94x = 53,881,259.03
  5. Step 5: Solve for x
    x = 53,881,259.03/10,121.94
  6. Step 6: Final answer
    x = 5,323.21

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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.