Home / 17,002.10-25,503.15-5,315.30

Finding the Fourth Proportional to 17,002.10, 25,503.15 and 5,315.30

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Solution

The fourth proportional to 17,002.10, 25,503.15 and 5,315.30 is: 7,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,002.10 : 25,503.15 = 5,315.30 : x
  2. Step 2: Convert to fraction form
    17,002.10/25,503.15 = 5,315.30/x
  3. Step 3: Cross multiply
    17,002.10x = 25,503.15 × 5,315.30
  4. Step 4: Simplify right side
    17,002.10x = 135,556,893.20
  5. Step 5: Solve for x
    x = 135,556,893.20/17,002.10
  6. Step 6: Final answer
    x = 7,972.95

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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.