Home / 12,071.24-16,659.39-7,037.09

Finding the Fourth Proportional to 12,071.24, 16,659.39 and 7,037.09

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Solution

The fourth proportional to 12,071.24, 16,659.39 and 7,037.09 is: 9,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.24 : 16,659.39 = 7,037.09 : x
  2. Step 2: Convert to fraction form
    12,071.24/16,659.39 = 7,037.09/x
  3. Step 3: Cross multiply
    12,071.24x = 16,659.39 × 7,037.09
  4. Step 4: Simplify right side
    12,071.24x = 117,233,508.29
  5. Step 5: Solve for x
    x = 117,233,508.29/12,071.24
  6. Step 6: Final answer
    x = 9,711.81

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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.