Home / 10,387.25-14,334.44-5,671.61

Finding the Fourth Proportional to 10,387.25, 14,334.44 and 5,671.61

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Solution

The fourth proportional to 10,387.25, 14,334.44 and 5,671.61 is: 7,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,387.25 : 14,334.44 = 5,671.61 : x
  2. Step 2: Convert to fraction form
    10,387.25/14,334.44 = 5,671.61/x
  3. Step 3: Cross multiply
    10,387.25x = 14,334.44 × 5,671.61
  4. Step 4: Simplify right side
    10,387.25x = 81,299,253.22
  5. Step 5: Solve for x
    x = 81,299,253.22/10,387.25
  6. Step 6: Final answer
    x = 7,826.84

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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.