Home / 12,140.36-16,753.67-6,835.19

Finding the Fourth Proportional to 12,140.36, 16,753.67 and 6,835.19

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Solution

The fourth proportional to 12,140.36, 16,753.67 and 6,835.19 is: 9,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.36 : 16,753.67 = 6,835.19 : x
  2. Step 2: Convert to fraction form
    12,140.36/16,753.67 = 6,835.19/x
  3. Step 3: Cross multiply
    12,140.36x = 16,753.67 × 6,835.19
  4. Step 4: Simplify right side
    12,140.36x = 114,514,399.70
  5. Step 5: Solve for x
    x = 114,514,399.70/12,140.36
  6. Step 6: Final answer
    x = 9,432.54

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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.