Home / 11,772.51-16,247.36-7,527.45

Finding the Fourth Proportional to 11,772.51, 16,247.36 and 7,527.45

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Solution

The fourth proportional to 11,772.51, 16,247.36 and 7,527.45 is: 10,388.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.51 : 16,247.36 = 7,527.45 : x
  2. Step 2: Convert to fraction form
    11,772.51/16,247.36 = 7,527.45/x
  3. Step 3: Cross multiply
    11,772.51x = 16,247.36 × 7,527.45
  4. Step 4: Simplify right side
    11,772.51x = 122,301,152.39
  5. Step 5: Solve for x
    x = 122,301,152.39/11,772.51
  6. Step 6: Final answer
    x = 10,388.71

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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.