Home / 9,975.48-13,766-5,499.22

Finding the Fourth Proportional to 9,975.48, 13,766 and 5,499.22

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Solution

The fourth proportional to 9,975.48, 13,766 and 5,499.22 is: 7,588.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,975.48 : 13,766 = 5,499.22 : x
  2. Step 2: Convert to fraction form
    9,975.48/13,766 = 5,499.22/x
  3. Step 3: Cross multiply
    9,975.48x = 13,766 × 5,499.22
  4. Step 4: Simplify right side
    9,975.48x = 75,702,262.52
  5. Step 5: Solve for x
    x = 75,702,262.52/9,975.48
  6. Step 6: Final answer
    x = 7,588.83

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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.