Home / 9,397.62-12,968.10-5,623.02

Finding the Fourth Proportional to 9,397.62, 12,968.10 and 5,623.02

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Solution

The fourth proportional to 9,397.62, 12,968.10 and 5,623.02 is: 7,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.62 : 12,968.10 = 5,623.02 : x
  2. Step 2: Convert to fraction form
    9,397.62/12,968.10 = 5,623.02/x
  3. Step 3: Cross multiply
    9,397.62x = 12,968.10 × 5,623.02
  4. Step 4: Simplify right side
    9,397.62x = 72,919,885.66
  5. Step 5: Solve for x
    x = 72,919,885.66/9,397.62
  6. Step 6: Final answer
    x = 7,759.40

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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.