Home / 11,497.50-17,221.95-5,262.75

Finding the Fourth Proportional to 11,497.50, 17,221.95 and 5,262.75

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Solution

The fourth proportional to 11,497.50, 17,221.95 and 5,262.75 is: 7,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,497.50 : 17,221.95 = 5,262.75 : x
  2. Step 2: Convert to fraction form
    11,497.50/17,221.95 = 5,262.75/x
  3. Step 3: Cross multiply
    11,497.50x = 17,221.95 × 5,262.75
  4. Step 4: Simplify right side
    11,497.50x = 90,634,817.36
  5. Step 5: Solve for x
    x = 90,634,817.36/11,497.50
  6. Step 6: Final answer
    x = 7,883.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.