Home / 11,973.08-16,521.67-6,668.39

Finding the Fourth Proportional to 11,973.08, 16,521.67 and 6,668.39

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Solution

The fourth proportional to 11,973.08, 16,521.67 and 6,668.39 is: 9,201.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.08 : 16,521.67 = 6,668.39 : x
  2. Step 2: Convert to fraction form
    11,973.08/16,521.67 = 6,668.39/x
  3. Step 3: Cross multiply
    11,973.08x = 16,521.67 × 6,668.39
  4. Step 4: Simplify right side
    11,973.08x = 110,172,988.65
  5. Step 5: Solve for x
    x = 110,172,988.65/11,973.08
  6. Step 6: Final answer
    x = 9,201.72

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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.