Home / 11,461.05-15,815.41-6,356.18

Finding the Fourth Proportional to 11,461.05, 15,815.41 and 6,356.18

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Solution

The fourth proportional to 11,461.05, 15,815.41 and 6,356.18 is: 8,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,461.05 : 15,815.41 = 6,356.18 : x
  2. Step 2: Convert to fraction form
    11,461.05/15,815.41 = 6,356.18/x
  3. Step 3: Cross multiply
    11,461.05x = 15,815.41 × 6,356.18
  4. Step 4: Simplify right side
    11,461.05x = 100,525,616.38
  5. Step 5: Solve for x
    x = 100,525,616.38/11,461.05
  6. Step 6: Final answer
    x = 8,771.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.