Home / 10,847.82-14,959.21-8,165.46

Finding the Fourth Proportional to 10,847.82, 14,959.21 and 8,165.46

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Solution

The fourth proportional to 10,847.82, 14,959.21 and 8,165.46 is: 11,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,847.82 : 14,959.21 = 8,165.46 : x
  2. Step 2: Convert to fraction form
    10,847.82/14,959.21 = 8,165.46/x
  3. Step 3: Cross multiply
    10,847.82x = 14,959.21 × 8,165.46
  4. Step 4: Simplify right side
    10,847.82x = 122,148,830.89
  5. Step 5: Solve for x
    x = 122,148,830.89/10,847.82
  6. Step 6: Final answer
    x = 11,260.22

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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.