Home / 9,909.90-13,675.20-5,433.54

Finding the Fourth Proportional to 9,909.90, 13,675.20 and 5,433.54

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Solution

The fourth proportional to 9,909.90, 13,675.20 and 5,433.54 is: 7,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.90 : 13,675.20 = 5,433.54 : x
  2. Step 2: Convert to fraction form
    9,909.90/13,675.20 = 5,433.54/x
  3. Step 3: Cross multiply
    9,909.90x = 13,675.20 × 5,433.54
  4. Step 4: Simplify right side
    9,909.90x = 74,304,746.21
  5. Step 5: Solve for x
    x = 74,304,746.21/9,909.90
  6. Step 6: Final answer
    x = 7,498.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.