Home / 10,112.88-15,170.10-4,569.33

Finding the Fourth Proportional to 10,112.88, 15,170.10 and 4,569.33

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Solution

The fourth proportional to 10,112.88, 15,170.10 and 4,569.33 is: 6,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.88 : 15,170.10 = 4,569.33 : x
  2. Step 2: Convert to fraction form
    10,112.88/15,170.10 = 4,569.33/x
  3. Step 3: Cross multiply
    10,112.88x = 15,170.10 × 4,569.33
  4. Step 4: Simplify right side
    10,112.88x = 69,317,193.03
  5. Step 5: Solve for x
    x = 69,317,193.03/10,112.88
  6. Step 6: Final answer
    x = 6,854.35

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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.