Home / 8,936.50-12,330.54-4,956.76

Finding the Fourth Proportional to 8,936.50, 12,330.54 and 4,956.76

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Solution

The fourth proportional to 8,936.50, 12,330.54 and 4,956.76 is: 6,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.50 : 12,330.54 = 4,956.76 : x
  2. Step 2: Convert to fraction form
    8,936.50/12,330.54 = 4,956.76/x
  3. Step 3: Cross multiply
    8,936.50x = 12,330.54 × 4,956.76
  4. Step 4: Simplify right side
    8,936.50x = 61,119,527.45
  5. Step 5: Solve for x
    x = 61,119,527.45/8,936.50
  6. Step 6: Final answer
    x = 6,839.31

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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.