Home / 11,140.22-16,776.45-9,696.80

Finding the Fourth Proportional to 11,140.22, 16,776.45 and 9,696.80

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Solution

The fourth proportional to 11,140.22, 16,776.45 and 9,696.80 is: 14,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.22 : 16,776.45 = 9,696.80 : x
  2. Step 2: Convert to fraction form
    11,140.22/16,776.45 = 9,696.80/x
  3. Step 3: Cross multiply
    11,140.22x = 16,776.45 × 9,696.80
  4. Step 4: Simplify right side
    11,140.22x = 162,677,796.48
  5. Step 5: Solve for x
    x = 162,677,796.48/11,140.22
  6. Step 6: Final answer
    x = 14,602.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.