Home / 12,140.02-16,751.67-6,833.80

Finding the Fourth Proportional to 12,140.02, 16,751.67 and 6,833.80

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Solution

The fourth proportional to 12,140.02, 16,751.67 and 6,833.80 is: 9,429.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.02 : 16,751.67 = 6,833.80 : x
  2. Step 2: Convert to fraction form
    12,140.02/16,751.67 = 6,833.80/x
  3. Step 3: Cross multiply
    12,140.02x = 16,751.67 × 6,833.80
  4. Step 4: Simplify right side
    12,140.02x = 114,477,562.45
  5. Step 5: Solve for x
    x = 114,477,562.45/12,140.02
  6. Step 6: Final answer
    x = 9,429.77

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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.