Home / 9,397.21-12,968.12-5,148.52

Finding the Fourth Proportional to 9,397.21, 12,968.12 and 5,148.52

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Solution

The fourth proportional to 9,397.21, 12,968.12 and 5,148.52 is: 7,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.21 : 12,968.12 = 5,148.52 : x
  2. Step 2: Convert to fraction form
    9,397.21/12,968.12 = 5,148.52/x
  3. Step 3: Cross multiply
    9,397.21x = 12,968.12 × 5,148.52
  4. Step 4: Simplify right side
    9,397.21x = 66,766,605.63
  5. Step 5: Solve for x
    x = 66,766,605.63/9,397.21
  6. Step 6: Final answer
    x = 7,104.94

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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.