Home / 8,722.92-12,037.68-4,744.07

Finding the Fourth Proportional to 8,722.92, 12,037.68 and 4,744.07

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Solution

The fourth proportional to 8,722.92, 12,037.68 and 4,744.07 is: 6,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.92 : 12,037.68 = 4,744.07 : x
  2. Step 2: Convert to fraction form
    8,722.92/12,037.68 = 4,744.07/x
  3. Step 3: Cross multiply
    8,722.92x = 12,037.68 × 4,744.07
  4. Step 4: Simplify right side
    8,722.92x = 57,107,581.51
  5. Step 5: Solve for x
    x = 57,107,581.51/8,722.92
  6. Step 6: Final answer
    x = 6,546.84

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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.