Home / 11,285.87-16,908.75-9,625.57

Finding the Fourth Proportional to 11,285.87, 16,908.75 and 9,625.57

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Solution

The fourth proportional to 11,285.87, 16,908.75 and 9,625.57 is: 14,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.87 : 16,908.75 = 9,625.57 : x
  2. Step 2: Convert to fraction form
    11,285.87/16,908.75 = 9,625.57/x
  3. Step 3: Cross multiply
    11,285.87x = 16,908.75 × 9,625.57
  4. Step 4: Simplify right side
    11,285.87x = 162,756,314.47
  5. Step 5: Solve for x
    x = 162,756,314.47/11,285.87
  6. Step 6: Final answer
    x = 14,421.25

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1.5x scale

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.