Home / 12,460.42-18,688.09-3,573.37

Finding the Fourth Proportional to 12,460.42, 18,688.09 and 3,573.37

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Solution

The fourth proportional to 12,460.42, 18,688.09 and 3,573.37 is: 5,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.42 : 18,688.09 = 3,573.37 : x
  2. Step 2: Convert to fraction form
    12,460.42/18,688.09 = 3,573.37/x
  3. Step 3: Cross multiply
    12,460.42x = 18,688.09 × 3,573.37
  4. Step 4: Simplify right side
    12,460.42x = 66,779,523.80
  5. Step 5: Solve for x
    x = 66,779,523.80/12,460.42
  6. Step 6: Final answer
    x = 5,359.33

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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.