Home / 11,177.34-16,668.53-9,918.60

Finding the Fourth Proportional to 11,177.34, 16,668.53 and 9,918.60

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Solution

The fourth proportional to 11,177.34, 16,668.53 and 9,918.60 is: 14,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.34 : 16,668.53 = 9,918.60 : x
  2. Step 2: Convert to fraction form
    11,177.34/16,668.53 = 9,918.60/x
  3. Step 3: Cross multiply
    11,177.34x = 16,668.53 × 9,918.60
  4. Step 4: Simplify right side
    11,177.34x = 165,328,432.07
  5. Step 5: Solve for x
    x = 165,328,432.07/11,177.34
  6. Step 6: Final answer
    x = 14,791.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.