Home / 10,945.44-16,429.08-5,106.16

Finding the Fourth Proportional to 10,945.44, 16,429.08 and 5,106.16

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Solution

The fourth proportional to 10,945.44, 16,429.08 and 5,106.16 is: 7,664.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,945.44 : 16,429.08 = 5,106.16 : x
  2. Step 2: Convert to fraction form
    10,945.44/16,429.08 = 5,106.16/x
  3. Step 3: Cross multiply
    10,945.44x = 16,429.08 × 5,106.16
  4. Step 4: Simplify right side
    10,945.44x = 83,889,511.13
  5. Step 5: Solve for x
    x = 83,889,511.13/10,945.44
  6. Step 6: Final answer
    x = 7,664.33

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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.