Home / 11,186.93-15,436.01-6,939.02

Finding the Fourth Proportional to 11,186.93, 15,436.01 and 6,939.02

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Solution

The fourth proportional to 11,186.93, 15,436.01 and 6,939.02 is: 9,574.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.93 : 15,436.01 = 6,939.02 : x
  2. Step 2: Convert to fraction form
    11,186.93/15,436.01 = 6,939.02/x
  3. Step 3: Cross multiply
    11,186.93x = 15,436.01 × 6,939.02
  4. Step 4: Simplify right side
    11,186.93x = 107,110,670.24
  5. Step 5: Solve for x
    x = 107,110,670.24/11,186.93
  6. Step 6: Final answer
    x = 9,574.63

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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.