Home / 9,352.21-12,905.98-5,319.03

Finding the Fourth Proportional to 9,352.21, 12,905.98 and 5,319.03

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Solution

The fourth proportional to 9,352.21, 12,905.98 and 5,319.03 is: 7,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.21 : 12,905.98 = 5,319.03 : x
  2. Step 2: Convert to fraction form
    9,352.21/12,905.98 = 5,319.03/x
  3. Step 3: Cross multiply
    9,352.21x = 12,905.98 × 5,319.03
  4. Step 4: Simplify right side
    9,352.21x = 68,647,294.80
  5. Step 5: Solve for x
    x = 68,647,294.80/9,352.21
  6. Step 6: Final answer
    x = 7,340.22

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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.