Home / 9,397.04-12,967.88-5,205.20

Finding the Fourth Proportional to 9,397.04, 12,967.88 and 5,205.20

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Solution

The fourth proportional to 9,397.04, 12,967.88 and 5,205.20 is: 7,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.04 : 12,967.88 = 5,205.20 : x
  2. Step 2: Convert to fraction form
    9,397.04/12,967.88 = 5,205.20/x
  3. Step 3: Cross multiply
    9,397.04x = 12,967.88 × 5,205.20
  4. Step 4: Simplify right side
    9,397.04x = 67,500,408.98
  5. Step 5: Solve for x
    x = 67,500,408.98/9,397.04
  6. Step 6: Final answer
    x = 7,183.16

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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.