Home / 10,952.76-16,438.90-5,112.68

Finding the Fourth Proportional to 10,952.76, 16,438.90 and 5,112.68

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Solution

The fourth proportional to 10,952.76, 16,438.90 and 5,112.68 is: 7,673.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.76 : 16,438.90 = 5,112.68 : x
  2. Step 2: Convert to fraction form
    10,952.76/16,438.90 = 5,112.68/x
  3. Step 3: Cross multiply
    10,952.76x = 16,438.90 × 5,112.68
  4. Step 4: Simplify right side
    10,952.76x = 84,046,835.25
  5. Step 5: Solve for x
    x = 84,046,835.25/10,952.76
  6. Step 6: Final answer
    x = 7,673.58

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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.