Home / 10,125.96-13,975.87-5,877.94

Finding the Fourth Proportional to 10,125.96, 13,975.87 and 5,877.94

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Solution

The fourth proportional to 10,125.96, 13,975.87 and 5,877.94 is: 8,112.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.96 : 13,975.87 = 5,877.94 : x
  2. Step 2: Convert to fraction form
    10,125.96/13,975.87 = 5,877.94/x
  3. Step 3: Cross multiply
    10,125.96x = 13,975.87 × 5,877.94
  4. Step 4: Simplify right side
    10,125.96x = 82,149,335.67
  5. Step 5: Solve for x
    x = 82,149,335.67/10,125.96
  6. Step 6: Final answer
    x = 8,112.74

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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.