Home / 9,038.40-13,556.31-3,494.35

Finding the Fourth Proportional to 9,038.40, 13,556.31 and 3,494.35

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Solution

The fourth proportional to 9,038.40, 13,556.31 and 3,494.35 is: 5,241.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.40 : 13,556.31 = 3,494.35 : x
  2. Step 2: Convert to fraction form
    9,038.40/13,556.31 = 3,494.35/x
  3. Step 3: Cross multiply
    9,038.40x = 13,556.31 × 3,494.35
  4. Step 4: Simplify right side
    9,038.40x = 47,370,491.85
  5. Step 5: Solve for x
    x = 47,370,491.85/9,038.40
  6. Step 6: Final answer
    x = 5,241.03

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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.