Home / 10,942.01-15,101.09-6,467.21

Finding the Fourth Proportional to 10,942.01, 15,101.09 and 6,467.21

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Solution

The fourth proportional to 10,942.01, 15,101.09 and 6,467.21 is: 8,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.01 : 15,101.09 = 6,467.21 : x
  2. Step 2: Convert to fraction form
    10,942.01/15,101.09 = 6,467.21/x
  3. Step 3: Cross multiply
    10,942.01x = 15,101.09 × 6,467.21
  4. Step 4: Simplify right side
    10,942.01x = 97,661,887.92
  5. Step 5: Solve for x
    x = 97,661,887.92/10,942.01
  6. Step 6: Final answer
    x = 8,925.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.