Home / 11,261.14-15,427.67-10,840.60

Finding the Fourth Proportional to 11,261.14, 15,427.67 and 10,840.60

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Solution

The fourth proportional to 11,261.14, 15,427.67 and 10,840.60 is: 14,851.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,261.14 : 15,427.67 = 10,840.60 : x
  2. Step 2: Convert to fraction form
    11,261.14/15,427.67 = 10,840.60/x
  3. Step 3: Cross multiply
    11,261.14x = 15,427.67 × 10,840.60
  4. Step 4: Simplify right side
    11,261.14x = 167,245,199.40
  5. Step 5: Solve for x
    x = 167,245,199.40/11,261.14
  6. Step 6: Final answer
    x = 14,851.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.