Home / 12,140.12-16,753.18-6,834.92

Finding the Fourth Proportional to 12,140.12, 16,753.18 and 6,834.92

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Solution

The fourth proportional to 12,140.12, 16,753.18 and 6,834.92 is: 9,432.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.12 : 16,753.18 = 6,834.92 : x
  2. Step 2: Convert to fraction form
    12,140.12/16,753.18 = 6,834.92/x
  3. Step 3: Cross multiply
    12,140.12x = 16,753.18 × 6,834.92
  4. Step 4: Simplify right side
    12,140.12x = 114,506,645.05
  5. Step 5: Solve for x
    x = 114,506,645.05/12,140.12
  6. Step 6: Final answer
    x = 9,432.09

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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.