Home / 12,135.02-16,744.50-6,829.52

Finding the Fourth Proportional to 12,135.02, 16,744.50 and 6,829.52

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Solution

The fourth proportional to 12,135.02, 16,744.50 and 6,829.52 is: 9,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135.02 : 16,744.50 = 6,829.52 : x
  2. Step 2: Convert to fraction form
    12,135.02/16,744.50 = 6,829.52/x
  3. Step 3: Cross multiply
    12,135.02x = 16,744.50 × 6,829.52
  4. Step 4: Simplify right side
    12,135.02x = 114,356,813.92
  5. Step 5: Solve for x
    x = 114,356,813.92/12,135.02
  6. Step 6: Final answer
    x = 9,423.71

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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.