Home / 11,080.76-15,291.56-6,365.48

Finding the Fourth Proportional to 11,080.76, 15,291.56 and 6,365.48

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Solution

The fourth proportional to 11,080.76, 15,291.56 and 6,365.48 is: 8,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.76 : 15,291.56 = 6,365.48 : x
  2. Step 2: Convert to fraction form
    11,080.76/15,291.56 = 6,365.48/x
  3. Step 3: Cross multiply
    11,080.76x = 15,291.56 × 6,365.48
  4. Step 4: Simplify right side
    11,080.76x = 97,338,119.35
  5. Step 5: Solve for x
    x = 97,338,119.35/11,080.76
  6. Step 6: Final answer
    x = 8,784.43

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Half scale
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Double scale
Find fourth proportional to 11,081.76, 15,292.94 and 6,366.48
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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.