Home / 12,362.60-18,548.64-4,969.19

Finding the Fourth Proportional to 12,362.60, 18,548.64 and 4,969.19

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Solution

The fourth proportional to 12,362.60, 18,548.64 and 4,969.19 is: 7,455.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.60 : 18,548.64 = 4,969.19 : x
  2. Step 2: Convert to fraction form
    12,362.60/18,548.64 = 4,969.19/x
  3. Step 3: Cross multiply
    12,362.60x = 18,548.64 × 4,969.19
  4. Step 4: Simplify right side
    12,362.60x = 92,171,623.66
  5. Step 5: Solve for x
    x = 92,171,623.66/12,362.60
  6. Step 6: Final answer
    x = 7,455.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.