Home / 12,031.64-16,603.56-6,726.40

Finding the Fourth Proportional to 12,031.64, 16,603.56 and 6,726.40

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Solution

The fourth proportional to 12,031.64, 16,603.56 and 6,726.40 is: 9,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.64 : 16,603.56 = 6,726.40 : x
  2. Step 2: Convert to fraction form
    12,031.64/16,603.56 = 6,726.40/x
  3. Step 3: Cross multiply
    12,031.64x = 16,603.56 × 6,726.40
  4. Step 4: Simplify right side
    12,031.64x = 111,682,185.98
  5. Step 5: Solve for x
    x = 111,682,185.98/12,031.64
  6. Step 6: Final answer
    x = 9,282.37

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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.