Home / 10,266.45-15,394.89-5,334.77

Finding the Fourth Proportional to 10,266.45, 15,394.89 and 5,334.77

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Solution

The fourth proportional to 10,266.45, 15,394.89 and 5,334.77 is: 7,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.45 : 15,394.89 = 5,334.77 : x
  2. Step 2: Convert to fraction form
    10,266.45/15,394.89 = 5,334.77/x
  3. Step 3: Cross multiply
    10,266.45x = 15,394.89 × 5,334.77
  4. Step 4: Simplify right side
    10,266.45x = 82,128,093.68
  5. Step 5: Solve for x
    x = 82,128,093.68/10,266.45
  6. Step 6: Final answer
    x = 7,999.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.