Home / 10,991.73-15,169.34-6,210.02

Finding the Fourth Proportional to 10,991.73, 15,169.34 and 6,210.02

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Solution

The fourth proportional to 10,991.73, 15,169.34 and 6,210.02 is: 8,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,991.73 : 15,169.34 = 6,210.02 : x
  2. Step 2: Convert to fraction form
    10,991.73/15,169.34 = 6,210.02/x
  3. Step 3: Cross multiply
    10,991.73x = 15,169.34 × 6,210.02
  4. Step 4: Simplify right side
    10,991.73x = 94,201,835.81
  5. Step 5: Solve for x
    x = 94,201,835.81/10,991.73
  6. Step 6: Final answer
    x = 8,570.24

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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.