Home / 9,707.88-14,561.67-2,782.38

Finding the Fourth Proportional to 9,707.88, 14,561.67 and 2,782.38

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Solution

The fourth proportional to 9,707.88, 14,561.67 and 2,782.38 is: 4,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707.88 : 14,561.67 = 2,782.38 : x
  2. Step 2: Convert to fraction form
    9,707.88/14,561.67 = 2,782.38/x
  3. Step 3: Cross multiply
    9,707.88x = 14,561.67 × 2,782.38
  4. Step 4: Simplify right side
    9,707.88x = 40,516,099.37
  5. Step 5: Solve for x
    x = 40,516,099.37/9,707.88
  6. Step 6: Final answer
    x = 4,173.53

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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.