Home / 9,541.66-13,171-7,179.70

Finding the Fourth Proportional to 9,541.66, 13,171 and 7,179.70

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Solution

The fourth proportional to 9,541.66, 13,171 and 7,179.70 is: 9,910.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,541.66 : 13,171 = 7,179.70 : x
  2. Step 2: Convert to fraction form
    9,541.66/13,171 = 7,179.70/x
  3. Step 3: Cross multiply
    9,541.66x = 13,171 × 7,179.70
  4. Step 4: Simplify right side
    9,541.66x = 94,563,828.70
  5. Step 5: Solve for x
    x = 94,563,828.70/9,541.66
  6. Step 6: Final answer
    x = 9,910.63

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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.