Home / 9,397.14-12,966.96-5,418.21

Finding the Fourth Proportional to 9,397.14, 12,966.96 and 5,418.21

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Solution

The fourth proportional to 9,397.14, 12,966.96 and 5,418.21 is: 7,476.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,397.14 : 12,966.96 = 5,418.21 : x
  2. Step 2: Convert to fraction form
    9,397.14/12,966.96 = 5,418.21/x
  3. Step 3: Cross multiply
    9,397.14x = 12,966.96 × 5,418.21
  4. Step 4: Simplify right side
    9,397.14x = 70,257,712.34
  5. Step 5: Solve for x
    x = 70,257,712.34/9,397.14
  6. Step 6: Final answer
    x = 7,476.50

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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.