Home / 11,140.96-15,373.05-6,663.07

Finding the Fourth Proportional to 11,140.96, 15,373.05 and 6,663.07

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Solution

The fourth proportional to 11,140.96, 15,373.05 and 6,663.07 is: 9,194.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.96 : 15,373.05 = 6,663.07 : x
  2. Step 2: Convert to fraction form
    11,140.96/15,373.05 = 6,663.07/x
  3. Step 3: Cross multiply
    11,140.96x = 15,373.05 × 6,663.07
  4. Step 4: Simplify right side
    11,140.96x = 102,431,708.26
  5. Step 5: Solve for x
    x = 102,431,708.26/11,140.96
  6. Step 6: Final answer
    x = 9,194.16

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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.