Home / 12,294.04-18,442.14-3,970.84

Finding the Fourth Proportional to 12,294.04, 18,442.14 and 3,970.84

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Solution

The fourth proportional to 12,294.04, 18,442.14 and 3,970.84 is: 5,956.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.04 : 18,442.14 = 3,970.84 : x
  2. Step 2: Convert to fraction form
    12,294.04/18,442.14 = 3,970.84/x
  3. Step 3: Cross multiply
    12,294.04x = 18,442.14 × 3,970.84
  4. Step 4: Simplify right side
    12,294.04x = 73,230,787.20
  5. Step 5: Solve for x
    x = 73,230,787.20/12,294.04
  6. Step 6: Final answer
    x = 5,956.61

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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.