Home / 10,948.23-16,424.76-3,156.44

Finding the Fourth Proportional to 10,948.23, 16,424.76 and 3,156.44

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Solution

The fourth proportional to 10,948.23, 16,424.76 and 3,156.44 is: 4,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,948.23 : 16,424.76 = 3,156.44 : x
  2. Step 2: Convert to fraction form
    10,948.23/16,424.76 = 3,156.44/x
  3. Step 3: Cross multiply
    10,948.23x = 16,424.76 × 3,156.44
  4. Step 4: Simplify right side
    10,948.23x = 51,843,769.45
  5. Step 5: Solve for x
    x = 51,843,769.45/10,948.23
  6. Step 6: Final answer
    x = 4,735.36

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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.