Home / 8,936.74-12,332.96-4,903.75

Finding the Fourth Proportional to 8,936.74, 12,332.96 and 4,903.75

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Solution

The fourth proportional to 8,936.74, 12,332.96 and 4,903.75 is: 6,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.74 : 12,332.96 = 4,903.75 : x
  2. Step 2: Convert to fraction form
    8,936.74/12,332.96 = 4,903.75/x
  3. Step 3: Cross multiply
    8,936.74x = 12,332.96 × 4,903.75
  4. Step 4: Simplify right side
    8,936.74x = 60,477,728.08
  5. Step 5: Solve for x
    x = 60,477,728.08/8,936.74
  6. Step 6: Final answer
    x = 6,767.31

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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.