Home / 12,276.11-16,955.24-8,933.91

Finding the Fourth Proportional to 12,276.11, 16,955.24 and 8,933.91

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Solution

The fourth proportional to 12,276.11, 16,955.24 and 8,933.91 is: 12,339.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.11 : 16,955.24 = 8,933.91 : x
  2. Step 2: Convert to fraction form
    12,276.11/16,955.24 = 8,933.91/x
  3. Step 3: Cross multiply
    12,276.11x = 16,955.24 × 8,933.91
  4. Step 4: Simplify right side
    12,276.11x = 151,476,543.52
  5. Step 5: Solve for x
    x = 151,476,543.52/12,276.11
  6. Step 6: Final answer
    x = 12,339.14

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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.