Home / 9,135.90-13,703.82-3,292.50

Finding the Fourth Proportional to 9,135.90, 13,703.82 and 3,292.50

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Solution

The fourth proportional to 9,135.90, 13,703.82 and 3,292.50 is: 4,938.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.90 : 13,703.82 = 3,292.50 : x
  2. Step 2: Convert to fraction form
    9,135.90/13,703.82 = 3,292.50/x
  3. Step 3: Cross multiply
    9,135.90x = 13,703.82 × 3,292.50
  4. Step 4: Simplify right side
    9,135.90x = 45,119,827.35
  5. Step 5: Solve for x
    x = 45,119,827.35/9,135.90
  6. Step 6: Final answer
    x = 4,938.74

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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.