Home / 8,484.78-11,709.06-4,707.96

Finding the Fourth Proportional to 8,484.78, 11,709.06 and 4,707.96

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Solution

The fourth proportional to 8,484.78, 11,709.06 and 4,707.96 is: 6,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,484.78 : 11,709.06 = 4,707.96 : x
  2. Step 2: Convert to fraction form
    8,484.78/11,709.06 = 4,707.96/x
  3. Step 3: Cross multiply
    8,484.78x = 11,709.06 × 4,707.96
  4. Step 4: Simplify right side
    8,484.78x = 55,125,786.12
  5. Step 5: Solve for x
    x = 55,125,786.12/8,484.78
  6. Step 6: Final answer
    x = 6,497.02

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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.