Home / 10,441.71-15,676.61-10,331.55

Finding the Fourth Proportional to 10,441.71, 15,676.61 and 10,331.55

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Solution

The fourth proportional to 10,441.71, 15,676.61 and 10,331.55 is: 15,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,441.71 : 15,676.61 = 10,331.55 : x
  2. Step 2: Convert to fraction form
    10,441.71/15,676.61 = 10,331.55/x
  3. Step 3: Cross multiply
    10,441.71x = 15,676.61 × 10,331.55
  4. Step 4: Simplify right side
    10,441.71x = 161,963,628.39
  5. Step 5: Solve for x
    x = 161,963,628.39/10,441.71
  6. Step 6: Final answer
    x = 15,511.22

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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.