Home / 11,189.83-15,433.57-10,693.51

Finding the Fourth Proportional to 11,189.83, 15,433.57 and 10,693.51

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Solution

The fourth proportional to 11,189.83, 15,433.57 and 10,693.51 is: 14,749.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.83 : 15,433.57 = 10,693.51 : x
  2. Step 2: Convert to fraction form
    11,189.83/15,433.57 = 10,693.51/x
  3. Step 3: Cross multiply
    11,189.83x = 15,433.57 × 10,693.51
  4. Step 4: Simplify right side
    11,189.83x = 165,039,035.13
  5. Step 5: Solve for x
    x = 165,039,035.13/11,189.83
  6. Step 6: Final answer
    x = 14,749.02

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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.