Home / 9,709.88-14,567.45-2,784.38

Finding the Fourth Proportional to 9,709.88, 14,567.45 and 2,784.38

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Solution

The fourth proportional to 9,709.88, 14,567.45 and 2,784.38 is: 4,177.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,709.88 : 14,567.45 = 2,784.38 : x
  2. Step 2: Convert to fraction form
    9,709.88/14,567.45 = 2,784.38/x
  3. Step 3: Cross multiply
    9,709.88x = 14,567.45 × 2,784.38
  4. Step 4: Simplify right side
    9,709.88x = 40,561,229.67
  5. Step 5: Solve for x
    x = 40,561,229.67/9,709.88
  6. Step 6: Final answer
    x = 4,177.32

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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.