Home / 11,228.42-15,496.26-6,449.02

Finding the Fourth Proportional to 11,228.42, 15,496.26 and 6,449.02

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Solution

The fourth proportional to 11,228.42, 15,496.26 and 6,449.02 is: 8,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.42 : 15,496.26 = 6,449.02 : x
  2. Step 2: Convert to fraction form
    11,228.42/15,496.26 = 6,449.02/x
  3. Step 3: Cross multiply
    11,228.42x = 15,496.26 × 6,449.02
  4. Step 4: Simplify right side
    11,228.42x = 99,935,690.67
  5. Step 5: Solve for x
    x = 99,935,690.67/11,228.42
  6. Step 6: Final answer
    x = 8,900.25

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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.