Home / 12,140.17-16,753.75-6,835.18

Finding the Fourth Proportional to 12,140.17, 16,753.75 and 6,835.18

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Solution

The fourth proportional to 12,140.17, 16,753.75 and 6,835.18 is: 9,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.17 : 16,753.75 = 6,835.18 : x
  2. Step 2: Convert to fraction form
    12,140.17/16,753.75 = 6,835.18/x
  3. Step 3: Cross multiply
    12,140.17x = 16,753.75 × 6,835.18
  4. Step 4: Simplify right side
    12,140.17x = 114,514,896.93
  5. Step 5: Solve for x
    x = 114,514,896.93/12,140.17
  6. Step 6: Final answer
    x = 9,432.73

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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.