Home / 10,906.30-15,050.29-6,664.46

Finding the Fourth Proportional to 10,906.30, 15,050.29 and 6,664.46

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Solution

The fourth proportional to 10,906.30, 15,050.29 and 6,664.46 is: 9,196.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,906.30 : 15,050.29 = 6,664.46 : x
  2. Step 2: Convert to fraction form
    10,906.30/15,050.29 = 6,664.46/x
  3. Step 3: Cross multiply
    10,906.30x = 15,050.29 × 6,664.46
  4. Step 4: Simplify right side
    10,906.30x = 100,301,988.60
  5. Step 5: Solve for x
    x = 100,301,988.60/10,906.30
  6. Step 6: Final answer
    x = 9,196.71

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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.