Home / 11,685.47-17,528.33-5,443.70

Finding the Fourth Proportional to 11,685.47, 17,528.33 and 5,443.70

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Solution

The fourth proportional to 11,685.47, 17,528.33 and 5,443.70 is: 8,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,685.47 : 17,528.33 = 5,443.70 : x
  2. Step 2: Convert to fraction form
    11,685.47/17,528.33 = 5,443.70/x
  3. Step 3: Cross multiply
    11,685.47x = 17,528.33 × 5,443.70
  4. Step 4: Simplify right side
    11,685.47x = 95,418,895.99
  5. Step 5: Solve for x
    x = 95,418,895.99/11,685.47
  6. Step 6: Final answer
    x = 8,165.61

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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.