Home / 12,408.03-18,610.10-10,313.10

Finding the Fourth Proportional to 12,408.03, 18,610.10 and 10,313.10

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Solution

The fourth proportional to 12,408.03, 18,610.10 and 10,313.10 is: 15,468.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,408.03 : 18,610.10 = 10,313.10 : x
  2. Step 2: Convert to fraction form
    12,408.03/18,610.10 = 10,313.10/x
  3. Step 3: Cross multiply
    12,408.03x = 18,610.10 × 10,313.10
  4. Step 4: Simplify right side
    12,408.03x = 191,927,770.74
  5. Step 5: Solve for x
    x = 191,927,770.74/12,408.03
  6. Step 6: Final answer
    x = 15,468.03

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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.