Home / 11,663.28-16,088.63-7,186.14

Finding the Fourth Proportional to 11,663.28, 16,088.63 and 7,186.14

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Solution

The fourth proportional to 11,663.28, 16,088.63 and 7,186.14 is: 9,912.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.28 : 16,088.63 = 7,186.14 : x
  2. Step 2: Convert to fraction form
    11,663.28/16,088.63 = 7,186.14/x
  3. Step 3: Cross multiply
    11,663.28x = 16,088.63 × 7,186.14
  4. Step 4: Simplify right side
    11,663.28x = 115,615,111.66
  5. Step 5: Solve for x
    x = 115,615,111.66/11,663.28
  6. Step 6: Final answer
    x = 9,912.74

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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.