Home / 8,957.43-12,357.54-5,770.17

Finding the Fourth Proportional to 8,957.43, 12,357.54 and 5,770.17

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Solution

The fourth proportional to 8,957.43, 12,357.54 and 5,770.17 is: 7,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.43 : 12,357.54 = 5,770.17 : x
  2. Step 2: Convert to fraction form
    8,957.43/12,357.54 = 5,770.17/x
  3. Step 3: Cross multiply
    8,957.43x = 12,357.54 × 5,770.17
  4. Step 4: Simplify right side
    8,957.43x = 71,305,106.58
  5. Step 5: Solve for x
    x = 71,305,106.58/8,957.43
  6. Step 6: Final answer
    x = 7,960.44

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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.