Home / 12,350.07-18,511.83-5,333.40

Finding the Fourth Proportional to 12,350.07, 18,511.83 and 5,333.40

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Solution

The fourth proportional to 12,350.07, 18,511.83 and 5,333.40 is: 7,994.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.07 : 18,511.83 = 5,333.40 : x
  2. Step 2: Convert to fraction form
    12,350.07/18,511.83 = 5,333.40/x
  3. Step 3: Cross multiply
    12,350.07x = 18,511.83 × 5,333.40
  4. Step 4: Simplify right side
    12,350.07x = 98,730,994.12
  5. Step 5: Solve for x
    x = 98,730,994.12/12,350.07
  6. Step 6: Final answer
    x = 7,994.37

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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.