Home / 12,451.73-18,672.93-4,130.19

Finding the Fourth Proportional to 12,451.73, 18,672.93 and 4,130.19

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Solution

The fourth proportional to 12,451.73, 18,672.93 and 4,130.19 is: 6,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.73 : 18,672.93 = 4,130.19 : x
  2. Step 2: Convert to fraction form
    12,451.73/18,672.93 = 4,130.19/x
  3. Step 3: Cross multiply
    12,451.73x = 18,672.93 × 4,130.19
  4. Step 4: Simplify right side
    12,451.73x = 77,122,748.76
  5. Step 5: Solve for x
    x = 77,122,748.76/12,451.73
  6. Step 6: Final answer
    x = 6,193.74

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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.