Home / 28,297.24-42,410.94-11,646.88

Finding the Fourth Proportional to 28,297.24, 42,410.94 and 11,646.88

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Solution

The fourth proportional to 28,297.24, 42,410.94 and 11,646.88 is: 17,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.24 : 42,410.94 = 11,646.88 : x
  2. Step 2: Convert to fraction form
    28,297.24/42,410.94 = 11,646.88/x
  3. Step 3: Cross multiply
    28,297.24x = 42,410.94 × 11,646.88
  4. Step 4: Simplify right side
    28,297.24x = 493,955,128.87
  5. Step 5: Solve for x
    x = 493,955,128.87/28,297.24
  6. Step 6: Final answer
    x = 17,455.95

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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.