Home / 10,356.62-14,292.50-7,170.57

Finding the Fourth Proportional to 10,356.62, 14,292.50 and 7,170.57

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Solution

The fourth proportional to 10,356.62, 14,292.50 and 7,170.57 is: 9,895.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.62 : 14,292.50 = 7,170.57 : x
  2. Step 2: Convert to fraction form
    10,356.62/14,292.50 = 7,170.57/x
  3. Step 3: Cross multiply
    10,356.62x = 14,292.50 × 7,170.57
  4. Step 4: Simplify right side
    10,356.62x = 102,485,335.87
  5. Step 5: Solve for x
    x = 102,485,335.87/10,356.62
  6. Step 6: Final answer
    x = 9,895.64

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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.