Home / 10,312.90-14,230.82-6,333.36

Finding the Fourth Proportional to 10,312.90, 14,230.82 and 6,333.36

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Solution

The fourth proportional to 10,312.90, 14,230.82 and 6,333.36 is: 8,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.90 : 14,230.82 = 6,333.36 : x
  2. Step 2: Convert to fraction form
    10,312.90/14,230.82 = 6,333.36/x
  3. Step 3: Cross multiply
    10,312.90x = 14,230.82 × 6,333.36
  4. Step 4: Simplify right side
    10,312.90x = 90,128,906.16
  5. Step 5: Solve for x
    x = 90,128,906.16/10,312.90
  6. Step 6: Final answer
    x = 8,739.43

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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.