Home / 12,140.58-16,753.10-6,834.38

Finding the Fourth Proportional to 12,140.58, 16,753.10 and 6,834.38

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Solution

The fourth proportional to 12,140.58, 16,753.10 and 6,834.38 is: 9,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.58 : 16,753.10 = 6,834.38 : x
  2. Step 2: Convert to fraction form
    12,140.58/16,753.10 = 6,834.38/x
  3. Step 3: Cross multiply
    12,140.58x = 16,753.10 × 6,834.38
  4. Step 4: Simplify right side
    12,140.58x = 114,496,991.31
  5. Step 5: Solve for x
    x = 114,496,991.31/12,140.58
  6. Step 6: Final answer
    x = 9,430.93

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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.