Home / 10,421.73-14,394.61-7,584.60

Finding the Fourth Proportional to 10,421.73, 14,394.61 and 7,584.60

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Solution

The fourth proportional to 10,421.73, 14,394.61 and 7,584.60 is: 10,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421.73 : 14,394.61 = 7,584.60 : x
  2. Step 2: Convert to fraction form
    10,421.73/14,394.61 = 7,584.60/x
  3. Step 3: Cross multiply
    10,421.73x = 14,394.61 × 7,584.60
  4. Step 4: Simplify right side
    10,421.73x = 109,177,422.47
  5. Step 5: Solve for x
    x = 109,177,422.47/10,421.73
  6. Step 6: Final answer
    x = 10,475.94

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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.