Home / 10,144.18-15,219.30-3,904.74

Finding the Fourth Proportional to 10,144.18, 15,219.30 and 3,904.74

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Solution

The fourth proportional to 10,144.18, 15,219.30 and 3,904.74 is: 5,858.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.18 : 15,219.30 = 3,904.74 : x
  2. Step 2: Convert to fraction form
    10,144.18/15,219.30 = 3,904.74/x
  3. Step 3: Cross multiply
    10,144.18x = 15,219.30 × 3,904.74
  4. Step 4: Simplify right side
    10,144.18x = 59,427,409.48
  5. Step 5: Solve for x
    x = 59,427,409.48/10,144.18
  6. Step 6: Final answer
    x = 5,858.28

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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.