Home / 11,645.40-17,470.14-4,260.24

Finding the Fourth Proportional to 11,645.40, 17,470.14 and 4,260.24

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Solution

The fourth proportional to 11,645.40, 17,470.14 and 4,260.24 is: 6,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.40 : 17,470.14 = 4,260.24 : x
  2. Step 2: Convert to fraction form
    11,645.40/17,470.14 = 4,260.24/x
  3. Step 3: Cross multiply
    11,645.40x = 17,470.14 × 4,260.24
  4. Step 4: Simplify right side
    11,645.40x = 74,426,989.23
  5. Step 5: Solve for x
    x = 74,426,989.23/11,645.40
  6. Step 6: Final answer
    x = 6,391.11

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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.