Home / 8,316.24-11,472.36-4,956.78

Finding the Fourth Proportional to 8,316.24, 11,472.36 and 4,956.78

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Solution

The fourth proportional to 8,316.24, 11,472.36 and 4,956.78 is: 6,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316.24 : 11,472.36 = 4,956.78 : x
  2. Step 2: Convert to fraction form
    8,316.24/11,472.36 = 4,956.78/x
  3. Step 3: Cross multiply
    8,316.24x = 11,472.36 × 4,956.78
  4. Step 4: Simplify right side
    8,316.24x = 56,865,964.60
  5. Step 5: Solve for x
    x = 56,865,964.60/8,316.24
  6. Step 6: Final answer
    x = 6,837.94

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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.