Home / 12,135.13-16,744.65-6,829.83

Finding the Fourth Proportional to 12,135.13, 16,744.65 and 6,829.83

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Solution

The fourth proportional to 12,135.13, 16,744.65 and 6,829.83 is: 9,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135.13 : 16,744.65 = 6,829.83 : x
  2. Step 2: Convert to fraction form
    12,135.13/16,744.65 = 6,829.83/x
  3. Step 3: Cross multiply
    12,135.13x = 16,744.65 × 6,829.83
  4. Step 4: Simplify right side
    12,135.13x = 114,363,112.91
  5. Step 5: Solve for x
    x = 114,363,112.91/12,135.13
  6. Step 6: Final answer
    x = 9,424.14

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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.