Home / 13,188.11-19,777.05-4,752.37

Finding the Fourth Proportional to 13,188.11, 19,777.05 and 4,752.37

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Solution

The fourth proportional to 13,188.11, 19,777.05 and 4,752.37 is: 7,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.11 : 19,777.05 = 4,752.37 : x
  2. Step 2: Convert to fraction form
    13,188.11/19,777.05 = 4,752.37/x
  3. Step 3: Cross multiply
    13,188.11x = 19,777.05 × 4,752.37
  4. Step 4: Simplify right side
    13,188.11x = 93,987,760.22
  5. Step 5: Solve for x
    x = 93,987,760.22/13,188.11
  6. Step 6: Final answer
    x = 7,126.70

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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.