Home / 12,368.10-18,539.73-6,132.63

Finding the Fourth Proportional to 12,368.10, 18,539.73 and 6,132.63

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Solution

The fourth proportional to 12,368.10, 18,539.73 and 6,132.63 is: 9,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,368.10 : 18,539.73 = 6,132.63 : x
  2. Step 2: Convert to fraction form
    12,368.10/18,539.73 = 6,132.63/x
  3. Step 3: Cross multiply
    12,368.10x = 18,539.73 × 6,132.63
  4. Step 4: Simplify right side
    12,368.10x = 113,697,304.39
  5. Step 5: Solve for x
    x = 113,697,304.39/12,368.10
  6. Step 6: Final answer
    x = 9,192.79

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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.