Home / 10,422.09-14,381.96-5,945.68

Finding the Fourth Proportional to 10,422.09, 14,381.96 and 5,945.68

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Solution

The fourth proportional to 10,422.09, 14,381.96 and 5,945.68 is: 8,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.09 : 14,381.96 = 5,945.68 : x
  2. Step 2: Convert to fraction form
    10,422.09/14,381.96 = 5,945.68/x
  3. Step 3: Cross multiply
    10,422.09x = 14,381.96 × 5,945.68
  4. Step 4: Simplify right side
    10,422.09x = 85,510,531.93
  5. Step 5: Solve for x
    x = 85,510,531.93/10,422.09
  6. Step 6: Final answer
    x = 8,204.74

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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.