Home / 11,785.23-16,263.84-7,005.69

Finding the Fourth Proportional to 11,785.23, 16,263.84 and 7,005.69

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Solution

The fourth proportional to 11,785.23, 16,263.84 and 7,005.69 is: 9,667.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.23 : 16,263.84 = 7,005.69 : x
  2. Step 2: Convert to fraction form
    11,785.23/16,263.84 = 7,005.69/x
  3. Step 3: Cross multiply
    11,785.23x = 16,263.84 × 7,005.69
  4. Step 4: Simplify right side
    11,785.23x = 113,939,421.25
  5. Step 5: Solve for x
    x = 113,939,421.25/11,785.23
  6. Step 6: Final answer
    x = 9,667.98

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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.