Home / 8,723.12-12,037.64-4,744.12

Finding the Fourth Proportional to 8,723.12, 12,037.64 and 4,744.12

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Solution

The fourth proportional to 8,723.12, 12,037.64 and 4,744.12 is: 6,546.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.12 : 12,037.64 = 4,744.12 : x
  2. Step 2: Convert to fraction form
    8,723.12/12,037.64 = 4,744.12/x
  3. Step 3: Cross multiply
    8,723.12x = 12,037.64 × 4,744.12
  4. Step 4: Simplify right side
    8,723.12x = 57,108,008.68
  5. Step 5: Solve for x
    x = 57,108,008.68/8,723.12
  6. Step 6: Final answer
    x = 6,546.74

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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.