Home / 12,445.45-18,673.65-6,600.63

Finding the Fourth Proportional to 12,445.45, 18,673.65 and 6,600.63

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Solution

The fourth proportional to 12,445.45, 18,673.65 and 6,600.63 is: 9,903.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,445.45 : 18,673.65 = 6,600.63 : x
  2. Step 2: Convert to fraction form
    12,445.45/18,673.65 = 6,600.63/x
  3. Step 3: Cross multiply
    12,445.45x = 18,673.65 × 6,600.63
  4. Step 4: Simplify right side
    12,445.45x = 123,257,854.40
  5. Step 5: Solve for x
    x = 123,257,854.40/12,445.45
  6. Step 6: Final answer
    x = 9,903.85

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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.