Home / 10,923.28-16,384.68-3,132.16

Finding the Fourth Proportional to 10,923.28, 16,384.68 and 3,132.16

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Solution

The fourth proportional to 10,923.28, 16,384.68 and 3,132.16 is: 4,698.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,923.28 : 16,384.68 = 3,132.16 : x
  2. Step 2: Convert to fraction form
    10,923.28/16,384.68 = 3,132.16/x
  3. Step 3: Cross multiply
    10,923.28x = 16,384.68 × 3,132.16
  4. Step 4: Simplify right side
    10,923.28x = 51,319,439.31
  5. Step 5: Solve for x
    x = 51,319,439.31/10,923.28
  6. Step 6: Final answer
    x = 4,698.17

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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.