Home / 10,752.49-16,129.77-4,179.19

Finding the Fourth Proportional to 10,752.49, 16,129.77 and 4,179.19

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Solution

The fourth proportional to 10,752.49, 16,129.77 and 4,179.19 is: 6,269.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752.49 : 16,129.77 = 4,179.19 : x
  2. Step 2: Convert to fraction form
    10,752.49/16,129.77 = 4,179.19/x
  3. Step 3: Cross multiply
    10,752.49x = 16,129.77 × 4,179.19
  4. Step 4: Simplify right side
    10,752.49x = 67,409,373.49
  5. Step 5: Solve for x
    x = 67,409,373.49/10,752.49
  6. Step 6: Final answer
    x = 6,269.19

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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.