Home / 12,374.60-18,559.38-4,581.56

Finding the Fourth Proportional to 12,374.60, 18,559.38 and 4,581.56

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Solution

The fourth proportional to 12,374.60, 18,559.38 and 4,581.56 is: 6,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.60 : 18,559.38 = 4,581.56 : x
  2. Step 2: Convert to fraction form
    12,374.60/18,559.38 = 4,581.56/x
  3. Step 3: Cross multiply
    12,374.60x = 18,559.38 × 4,581.56
  4. Step 4: Simplify right side
    12,374.60x = 85,030,913.03
  5. Step 5: Solve for x
    x = 85,030,913.03/12,374.60
  6. Step 6: Final answer
    x = 6,871.41

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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.