Home / 12,072.06-16,657.92-7,037.91

Finding the Fourth Proportional to 12,072.06, 16,657.92 and 7,037.91

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Solution

The fourth proportional to 12,072.06, 16,657.92 and 7,037.91 is: 9,711.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,072.06 : 16,657.92 = 7,037.91 : x
  2. Step 2: Convert to fraction form
    12,072.06/16,657.92 = 7,037.91/x
  3. Step 3: Cross multiply
    12,072.06x = 16,657.92 × 7,037.91
  4. Step 4: Simplify right side
    12,072.06x = 117,236,941.75
  5. Step 5: Solve for x
    x = 117,236,941.75/12,072.06
  6. Step 6: Final answer
    x = 9,711.43

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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.