Home / 12,443.05-18,639.55-6,184.14

Finding the Fourth Proportional to 12,443.05, 18,639.55 and 6,184.14

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Solution

The fourth proportional to 12,443.05, 18,639.55 and 6,184.14 is: 9,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,443.05 : 18,639.55 = 6,184.14 : x
  2. Step 2: Convert to fraction form
    12,443.05/18,639.55 = 6,184.14/x
  3. Step 3: Cross multiply
    12,443.05x = 18,639.55 × 6,184.14
  4. Step 4: Simplify right side
    12,443.05x = 115,269,586.74
  5. Step 5: Solve for x
    x = 115,269,586.74/12,443.05
  6. Step 6: Final answer
    x = 9,263.77

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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.