Home / 12,046.32-18,075.96-11,489.04

Finding the Fourth Proportional to 12,046.32, 18,075.96 and 11,489.04

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Solution

The fourth proportional to 12,046.32, 18,075.96 and 11,489.04 is: 17,239.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,046.32 : 18,075.96 = 11,489.04 : x
  2. Step 2: Convert to fraction form
    12,046.32/18,075.96 = 11,489.04/x
  3. Step 3: Cross multiply
    12,046.32x = 18,075.96 × 11,489.04
  4. Step 4: Simplify right side
    12,046.32x = 207,675,427.48
  5. Step 5: Solve for x
    x = 207,675,427.48/12,046.32
  6. Step 6: Final answer
    x = 17,239.74

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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.