Home / 12,296.54-18,444.65-3,531.40

Finding the Fourth Proportional to 12,296.54, 18,444.65 and 3,531.40

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Solution

The fourth proportional to 12,296.54, 18,444.65 and 3,531.40 is: 5,297.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296.54 : 18,444.65 = 3,531.40 : x
  2. Step 2: Convert to fraction form
    12,296.54/18,444.65 = 3,531.40/x
  3. Step 3: Cross multiply
    12,296.54x = 18,444.65 × 3,531.40
  4. Step 4: Simplify right side
    12,296.54x = 65,135,373.24
  5. Step 5: Solve for x
    x = 65,135,373.24/12,296.54
  6. Step 6: Final answer
    x = 5,297.05

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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.