Home / 6,898.24-10,334.40-3,427.12

Finding the Fourth Proportional to 6,898.24, 10,334.40 and 3,427.12

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Solution

The fourth proportional to 6,898.24, 10,334.40 and 3,427.12 is: 5,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.24 : 10,334.40 = 3,427.12 : x
  2. Step 2: Convert to fraction form
    6,898.24/10,334.40 = 3,427.12/x
  3. Step 3: Cross multiply
    6,898.24x = 10,334.40 × 3,427.12
  4. Step 4: Simplify right side
    6,898.24x = 35,417,228.93
  5. Step 5: Solve for x
    x = 35,417,228.93/6,898.24
  6. Step 6: Final answer
    x = 5,134.24

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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.