Home / 11,455.66-17,168.10-4,880.08

Finding the Fourth Proportional to 11,455.66, 17,168.10 and 4,880.08

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Solution

The fourth proportional to 11,455.66, 17,168.10 and 4,880.08 is: 7,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.66 : 17,168.10 = 4,880.08 : x
  2. Step 2: Convert to fraction form
    11,455.66/17,168.10 = 4,880.08/x
  3. Step 3: Cross multiply
    11,455.66x = 17,168.10 × 4,880.08
  4. Step 4: Simplify right side
    11,455.66x = 83,781,701.45
  5. Step 5: Solve for x
    x = 83,781,701.45/11,455.66
  6. Step 6: Final answer
    x = 7,313.56

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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.