Home / 9,397.28-12,968.58-5,205.53

Finding the Fourth Proportional to 9,397.28, 12,968.58 and 5,205.53

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Solution

The fourth proportional to 9,397.28, 12,968.58 and 5,205.53 is: 7,183.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.28 : 12,968.58 = 5,205.53 : x
  2. Step 2: Convert to fraction form
    9,397.28/12,968.58 = 5,205.53/x
  3. Step 3: Cross multiply
    9,397.28x = 12,968.58 × 5,205.53
  4. Step 4: Simplify right side
    9,397.28x = 67,508,267.40
  5. Step 5: Solve for x
    x = 67,508,267.40/9,397.28
  6. Step 6: Final answer
    x = 7,183.81

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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.