Home / 10,905.06-16,358.52-3,886.62

Finding the Fourth Proportional to 10,905.06, 16,358.52 and 3,886.62

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Solution

The fourth proportional to 10,905.06, 16,358.52 and 3,886.62 is: 5,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.06 : 16,358.52 = 3,886.62 : x
  2. Step 2: Convert to fraction form
    10,905.06/16,358.52 = 3,886.62/x
  3. Step 3: Cross multiply
    10,905.06x = 16,358.52 × 3,886.62
  4. Step 4: Simplify right side
    10,905.06x = 63,579,351.00
  5. Step 5: Solve for x
    x = 63,579,351.00/10,905.06
  6. Step 6: Final answer
    x = 5,830.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.