Home / 10,333.63-15,500.45-3,408.13

Finding the Fourth Proportional to 10,333.63, 15,500.45 and 3,408.13

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Solution

The fourth proportional to 10,333.63, 15,500.45 and 3,408.13 is: 5,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,333.63 : 15,500.45 = 3,408.13 : x
  2. Step 2: Convert to fraction form
    10,333.63/15,500.45 = 3,408.13/x
  3. Step 3: Cross multiply
    10,333.63x = 15,500.45 × 3,408.13
  4. Step 4: Simplify right side
    10,333.63x = 52,827,454.12
  5. Step 5: Solve for x
    x = 52,827,454.12/10,333.63
  6. Step 6: Final answer
    x = 5,112.19

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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.