Home / 10,230.36-14,104.98-6,687.96

Finding the Fourth Proportional to 10,230.36, 14,104.98 and 6,687.96

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Solution

The fourth proportional to 10,230.36, 14,104.98 and 6,687.96 is: 9,220.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,230.36 : 14,104.98 = 6,687.96 : x
  2. Step 2: Convert to fraction form
    10,230.36/14,104.98 = 6,687.96/x
  3. Step 3: Cross multiply
    10,230.36x = 14,104.98 × 6,687.96
  4. Step 4: Simplify right side
    10,230.36x = 94,333,542.04
  5. Step 5: Solve for x
    x = 94,333,542.04/10,230.36
  6. Step 6: Final answer
    x = 9,220.94

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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.