Home / 9,628.90-14,440.47-5,009.38

Finding the Fourth Proportional to 9,628.90, 14,440.47 and 5,009.38

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Solution

The fourth proportional to 9,628.90, 14,440.47 and 5,009.38 is: 7,512.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.90 : 14,440.47 = 5,009.38 : x
  2. Step 2: Convert to fraction form
    9,628.90/14,440.47 = 5,009.38/x
  3. Step 3: Cross multiply
    9,628.90x = 14,440.47 × 5,009.38
  4. Step 4: Simplify right side
    9,628.90x = 72,337,801.61
  5. Step 5: Solve for x
    x = 72,337,801.61/9,628.90
  6. Step 6: Final answer
    x = 7,512.57

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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.