Home / 12,308.12-18,446.08-10,744.12

Finding the Fourth Proportional to 12,308.12, 18,446.08 and 10,744.12

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Solution

The fourth proportional to 12,308.12, 18,446.08 and 10,744.12 is: 16,102.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,308.12 : 18,446.08 = 10,744.12 : x
  2. Step 2: Convert to fraction form
    12,308.12/18,446.08 = 10,744.12/x
  3. Step 3: Cross multiply
    12,308.12x = 18,446.08 × 10,744.12
  4. Step 4: Simplify right side
    12,308.12x = 198,186,897.05
  5. Step 5: Solve for x
    x = 198,186,897.05/12,308.12
  6. Step 6: Final answer
    x = 16,102.13

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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.