Home / 10,621.01-14,657.76-5,905.33

Finding the Fourth Proportional to 10,621.01, 14,657.76 and 5,905.33

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Solution

The fourth proportional to 10,621.01, 14,657.76 and 5,905.33 is: 8,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.01 : 14,657.76 = 5,905.33 : x
  2. Step 2: Convert to fraction form
    10,621.01/14,657.76 = 5,905.33/x
  3. Step 3: Cross multiply
    10,621.01x = 14,657.76 × 5,905.33
  4. Step 4: Simplify right side
    10,621.01x = 86,558,873.22
  5. Step 5: Solve for x
    x = 86,558,873.22/10,621.01
  6. Step 6: Final answer
    x = 8,149.78

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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.