Home / 8,675.54-13,013.26-2,101.72

Finding the Fourth Proportional to 8,675.54, 13,013.26 and 2,101.72

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Solution

The fourth proportional to 8,675.54, 13,013.26 and 2,101.72 is: 3,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675.54 : 13,013.26 = 2,101.72 : x
  2. Step 2: Convert to fraction form
    8,675.54/13,013.26 = 2,101.72/x
  3. Step 3: Cross multiply
    8,675.54x = 13,013.26 × 2,101.72
  4. Step 4: Simplify right side
    8,675.54x = 27,350,228.81
  5. Step 5: Solve for x
    x = 27,350,228.81/8,675.54
  6. Step 6: Final answer
    x = 3,152.57

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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.