Home / 11,504.12-15,883.56-8,810.60

Finding the Fourth Proportional to 11,504.12, 15,883.56 and 8,810.60

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Solution

The fourth proportional to 11,504.12, 15,883.56 and 8,810.60 is: 12,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,504.12 : 15,883.56 = 8,810.60 : x
  2. Step 2: Convert to fraction form
    11,504.12/15,883.56 = 8,810.60/x
  3. Step 3: Cross multiply
    11,504.12x = 15,883.56 × 8,810.60
  4. Step 4: Simplify right side
    11,504.12x = 139,943,614.32
  5. Step 5: Solve for x
    x = 139,943,614.32/11,504.12
  6. Step 6: Final answer
    x = 12,164.66

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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.