Home / 12,304.48-18,459.66-3,984.50

Finding the Fourth Proportional to 12,304.48, 18,459.66 and 3,984.50

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Solution

The fourth proportional to 12,304.48, 18,459.66 and 3,984.50 is: 5,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,304.48 : 18,459.66 = 3,984.50 : x
  2. Step 2: Convert to fraction form
    12,304.48/18,459.66 = 3,984.50/x
  3. Step 3: Cross multiply
    12,304.48x = 18,459.66 × 3,984.50
  4. Step 4: Simplify right side
    12,304.48x = 73,552,515.27
  5. Step 5: Solve for x
    x = 73,552,515.27/12,304.48
  6. Step 6: Final answer
    x = 5,977.70

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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.