Home / 12,366.20-18,533.10-4,964.60

Finding the Fourth Proportional to 12,366.20, 18,533.10 and 4,964.60

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Solution

The fourth proportional to 12,366.20, 18,533.10 and 4,964.60 is: 7,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,366.20 : 18,533.10 = 4,964.60 : x
  2. Step 2: Convert to fraction form
    12,366.20/18,533.10 = 4,964.60/x
  3. Step 3: Cross multiply
    12,366.20x = 18,533.10 × 4,964.60
  4. Step 4: Simplify right side
    12,366.20x = 92,009,428.26
  5. Step 5: Solve for x
    x = 92,009,428.26/12,366.20
  6. Step 6: Final answer
    x = 7,440.40

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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.