Home / 11,109.29-16,668.59-4,866.08

Finding the Fourth Proportional to 11,109.29, 16,668.59 and 4,866.08

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Solution

The fourth proportional to 11,109.29, 16,668.59 and 4,866.08 is: 7,301.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109.29 : 16,668.59 = 4,866.08 : x
  2. Step 2: Convert to fraction form
    11,109.29/16,668.59 = 4,866.08/x
  3. Step 3: Cross multiply
    11,109.29x = 16,668.59 × 4,866.08
  4. Step 4: Simplify right side
    11,109.29x = 81,110,584.75
  5. Step 5: Solve for x
    x = 81,110,584.75/11,109.29
  6. Step 6: Final answer
    x = 7,301.15

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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.