Home / 10,940.76-16,325.78-9,762.66

Finding the Fourth Proportional to 10,940.76, 16,325.78 and 9,762.66

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Solution

The fourth proportional to 10,940.76, 16,325.78 and 9,762.66 is: 14,567.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.76 : 16,325.78 = 9,762.66 : x
  2. Step 2: Convert to fraction form
    10,940.76/16,325.78 = 9,762.66/x
  3. Step 3: Cross multiply
    10,940.76x = 16,325.78 × 9,762.66
  4. Step 4: Simplify right side
    10,940.76x = 159,382,990.56
  5. Step 5: Solve for x
    x = 159,382,990.56/10,940.76
  6. Step 6: Final answer
    x = 14,567.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.