Home / 10,679.81-16,018.44-2,889.23

Finding the Fourth Proportional to 10,679.81, 16,018.44 and 2,889.23

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Solution

The fourth proportional to 10,679.81, 16,018.44 and 2,889.23 is: 4,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.81 : 16,018.44 = 2,889.23 : x
  2. Step 2: Convert to fraction form
    10,679.81/16,018.44 = 2,889.23/x
  3. Step 3: Cross multiply
    10,679.81x = 16,018.44 × 2,889.23
  4. Step 4: Simplify right side
    10,679.81x = 46,280,957.40
  5. Step 5: Solve for x
    x = 46,280,957.40/10,679.81
  6. Step 6: Final answer
    x = 4,333.50

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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.