Home / 9,325.85-13,987.40-3,401.35

Finding the Fourth Proportional to 9,325.85, 13,987.40 and 3,401.35

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Solution

The fourth proportional to 9,325.85, 13,987.40 and 3,401.35 is: 5,101.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.85 : 13,987.40 = 3,401.35 : x
  2. Step 2: Convert to fraction form
    9,325.85/13,987.40 = 3,401.35/x
  3. Step 3: Cross multiply
    9,325.85x = 13,987.40 × 3,401.35
  4. Step 4: Simplify right side
    9,325.85x = 47,575,991.01
  5. Step 5: Solve for x
    x = 47,575,991.01/9,325.85
  6. Step 6: Final answer
    x = 5,101.52

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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.