Home / 10,946.10-16,419.24-3,155.16

Finding the Fourth Proportional to 10,946.10, 16,419.24 and 3,155.16

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Solution

The fourth proportional to 10,946.10, 16,419.24 and 3,155.16 is: 4,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,946.10 : 16,419.24 = 3,155.16 : x
  2. Step 2: Convert to fraction form
    10,946.10/16,419.24 = 3,155.16/x
  3. Step 3: Cross multiply
    10,946.10x = 16,419.24 × 3,155.16
  4. Step 4: Simplify right side
    10,946.10x = 51,805,329.28
  5. Step 5: Solve for x
    x = 51,805,329.28/10,946.10
  6. Step 6: Final answer
    x = 4,732.77

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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.