Home / 10,705.87-16,058.76-4,781.23

Finding the Fourth Proportional to 10,705.87, 16,058.76 and 4,781.23

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Solution

The fourth proportional to 10,705.87, 16,058.76 and 4,781.23 is: 7,171.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,705.87 : 16,058.76 = 4,781.23 : x
  2. Step 2: Convert to fraction form
    10,705.87/16,058.76 = 4,781.23/x
  3. Step 3: Cross multiply
    10,705.87x = 16,058.76 × 4,781.23
  4. Step 4: Simplify right side
    10,705.87x = 76,780,567.00
  5. Step 5: Solve for x
    x = 76,780,567.00/10,705.87
  6. Step 6: Final answer
    x = 7,171.82

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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.