Home / 11,956.14-16,496.46-7,239.51

Finding the Fourth Proportional to 11,956.14, 16,496.46 and 7,239.51

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Solution

The fourth proportional to 11,956.14, 16,496.46 and 7,239.51 is: 9,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,956.14 : 16,496.46 = 7,239.51 : x
  2. Step 2: Convert to fraction form
    11,956.14/16,496.46 = 7,239.51/x
  3. Step 3: Cross multiply
    11,956.14x = 16,496.46 × 7,239.51
  4. Step 4: Simplify right side
    11,956.14x = 119,426,287.13
  5. Step 5: Solve for x
    x = 119,426,287.13/11,956.14
  6. Step 6: Final answer
    x = 9,988.70

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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.