Home / 11,348.40-17,010.45-5,107.35

Finding the Fourth Proportional to 11,348.40, 17,010.45 and 5,107.35

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Solution

The fourth proportional to 11,348.40, 17,010.45 and 5,107.35 is: 7,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.40 : 17,010.45 = 5,107.35 : x
  2. Step 2: Convert to fraction form
    11,348.40/17,010.45 = 5,107.35/x
  3. Step 3: Cross multiply
    11,348.40x = 17,010.45 × 5,107.35
  4. Step 4: Simplify right side
    11,348.40x = 86,878,321.81
  5. Step 5: Solve for x
    x = 86,878,321.81/11,348.40
  6. Step 6: Final answer
    x = 7,655.56

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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.