Home / 12,446.16-18,660.12-5,868.66

Finding the Fourth Proportional to 12,446.16, 18,660.12 and 5,868.66

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Solution

The fourth proportional to 12,446.16, 18,660.12 and 5,868.66 is: 8,798.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.16 : 18,660.12 = 5,868.66 : x
  2. Step 2: Convert to fraction form
    12,446.16/18,660.12 = 5,868.66/x
  3. Step 3: Cross multiply
    12,446.16x = 18,660.12 × 5,868.66
  4. Step 4: Simplify right side
    12,446.16x = 109,509,899.84
  5. Step 5: Solve for x
    x = 109,509,899.84/12,446.16
  6. Step 6: Final answer
    x = 8,798.69

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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.