Home / 8,710.33-12,020.30-4,731.47

Finding the Fourth Proportional to 8,710.33, 12,020.30 and 4,731.47

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Solution

The fourth proportional to 8,710.33, 12,020.30 and 4,731.47 is: 6,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.33 : 12,020.30 = 4,731.47 : x
  2. Step 2: Convert to fraction form
    8,710.33/12,020.30 = 4,731.47/x
  3. Step 3: Cross multiply
    8,710.33x = 12,020.30 × 4,731.47
  4. Step 4: Simplify right side
    8,710.33x = 56,873,665.18
  5. Step 5: Solve for x
    x = 56,873,665.18/8,710.33
  6. Step 6: Final answer
    x = 6,529.45

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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.