Home / 8,629.96-11,909.28-4,903.96

Finding the Fourth Proportional to 8,629.96, 11,909.28 and 4,903.96

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Solution

The fourth proportional to 8,629.96, 11,909.28 and 4,903.96 is: 6,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.96 : 11,909.28 = 4,903.96 : x
  2. Step 2: Convert to fraction form
    8,629.96/11,909.28 = 4,903.96/x
  3. Step 3: Cross multiply
    8,629.96x = 11,909.28 × 4,903.96
  4. Step 4: Simplify right side
    8,629.96x = 58,402,632.75
  5. Step 5: Solve for x
    x = 58,402,632.75/8,629.96
  6. Step 6: Final answer
    x = 6,767.43

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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.