Home / 12,368.20-18,536.10-4,966.60

Finding the Fourth Proportional to 12,368.20, 18,536.10 and 4,966.60

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Solution

The fourth proportional to 12,368.20, 18,536.10 and 4,966.60 is: 7,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.20 : 18,536.10 = 4,966.60 : x
  2. Step 2: Convert to fraction form
    12,368.20/18,536.10 = 4,966.60/x
  3. Step 3: Cross multiply
    12,368.20x = 18,536.10 × 4,966.60
  4. Step 4: Simplify right side
    12,368.20x = 92,061,394.26
  5. Step 5: Solve for x
    x = 92,061,394.26/12,368.20
  6. Step 6: Final answer
    x = 7,443.39

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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.