Home / 10,922.76-16,384.94-3,132.16

Finding the Fourth Proportional to 10,922.76, 16,384.94 and 3,132.16

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Solution

The fourth proportional to 10,922.76, 16,384.94 and 3,132.16 is: 4,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.76 : 16,384.94 = 3,132.16 : x
  2. Step 2: Convert to fraction form
    10,922.76/16,384.94 = 3,132.16/x
  3. Step 3: Cross multiply
    10,922.76x = 16,384.94 × 3,132.16
  4. Step 4: Simplify right side
    10,922.76x = 51,320,253.67
  5. Step 5: Solve for x
    x = 51,320,253.67/10,922.76
  6. Step 6: Final answer
    x = 4,698.47

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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.