Home / 11,300.40-16,952.40-4,723.20

Finding the Fourth Proportional to 11,300.40, 16,952.40 and 4,723.20

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Solution

The fourth proportional to 11,300.40, 16,952.40 and 4,723.20 is: 7,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,300.40 : 16,952.40 = 4,723.20 : x
  2. Step 2: Convert to fraction form
    11,300.40/16,952.40 = 4,723.20/x
  3. Step 3: Cross multiply
    11,300.40x = 16,952.40 × 4,723.20
  4. Step 4: Simplify right side
    11,300.40x = 80,069,575.68
  5. Step 5: Solve for x
    x = 80,069,575.68/11,300.40
  6. Step 6: Final answer
    x = 7,085.55

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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.