Home / 12,848.01-19,272.89-4,082.86

Finding the Fourth Proportional to 12,848.01, 19,272.89 and 4,082.86

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Solution

The fourth proportional to 12,848.01, 19,272.89 and 4,082.86 is: 6,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848.01 : 19,272.89 = 4,082.86 : x
  2. Step 2: Convert to fraction form
    12,848.01/19,272.89 = 4,082.86/x
  3. Step 3: Cross multiply
    12,848.01x = 19,272.89 × 4,082.86
  4. Step 4: Simplify right side
    12,848.01x = 78,688,511.67
  5. Step 5: Solve for x
    x = 78,688,511.67/12,848.01
  6. Step 6: Final answer
    x = 6,124.57

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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.