Home / 10,276.21-14,181.21-5,560.49

Finding the Fourth Proportional to 10,276.21, 14,181.21 and 5,560.49

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Solution

The fourth proportional to 10,276.21, 14,181.21 and 5,560.49 is: 7,673.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,276.21 : 14,181.21 = 5,560.49 : x
  2. Step 2: Convert to fraction form
    10,276.21/14,181.21 = 5,560.49/x
  3. Step 3: Cross multiply
    10,276.21x = 14,181.21 × 5,560.49
  4. Step 4: Simplify right side
    10,276.21x = 78,854,476.39
  5. Step 5: Solve for x
    x = 78,854,476.39/10,276.21
  6. Step 6: Final answer
    x = 7,673.50

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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.