Home / 9,975.37-13,766.10-5,499.28

Finding the Fourth Proportional to 9,975.37, 13,766.10 and 5,499.28

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Solution

The fourth proportional to 9,975.37, 13,766.10 and 5,499.28 is: 7,589.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.37 : 13,766.10 = 5,499.28 : x
  2. Step 2: Convert to fraction form
    9,975.37/13,766.10 = 5,499.28/x
  3. Step 3: Cross multiply
    9,975.37x = 13,766.10 × 5,499.28
  4. Step 4: Simplify right side
    9,975.37x = 75,703,638.41
  5. Step 5: Solve for x
    x = 75,703,638.41/9,975.37
  6. Step 6: Final answer
    x = 7,589.06

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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.