Home / 12,031.56-16,603.92-6,727.32

Finding the Fourth Proportional to 12,031.56, 16,603.92 and 6,727.32

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Solution

The fourth proportional to 12,031.56, 16,603.92 and 6,727.32 is: 9,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,031.56 : 16,603.92 = 6,727.32 : x
  2. Step 2: Convert to fraction form
    12,031.56/16,603.92 = 6,727.32/x
  3. Step 3: Cross multiply
    12,031.56x = 16,603.92 × 6,727.32
  4. Step 4: Simplify right side
    12,031.56x = 111,699,883.09
  5. Step 5: Solve for x
    x = 111,699,883.09/12,031.56
  6. Step 6: Final answer
    x = 9,283.91

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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.