Home / 8,442.36-11,651.01-4,905.60

Finding the Fourth Proportional to 8,442.36, 11,651.01 and 4,905.60

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Solution

The fourth proportional to 8,442.36, 11,651.01 and 4,905.60 is: 6,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442.36 : 11,651.01 = 4,905.60 : x
  2. Step 2: Convert to fraction form
    8,442.36/11,651.01 = 4,905.60/x
  3. Step 3: Cross multiply
    8,442.36x = 11,651.01 × 4,905.60
  4. Step 4: Simplify right side
    8,442.36x = 57,155,194.66
  5. Step 5: Solve for x
    x = 57,155,194.66/8,442.36
  6. Step 6: Final answer
    x = 6,770.05

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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.