Home / 8,949.49-12,350.69-4,970.97

Finding the Fourth Proportional to 8,949.49, 12,350.69 and 4,970.97

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Solution

The fourth proportional to 8,949.49, 12,350.69 and 4,970.97 is: 6,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.49 : 12,350.69 = 4,970.97 : x
  2. Step 2: Convert to fraction form
    8,949.49/12,350.69 = 4,970.97/x
  3. Step 3: Cross multiply
    8,949.49x = 12,350.69 × 4,970.97
  4. Step 4: Simplify right side
    8,949.49x = 61,394,909.47
  5. Step 5: Solve for x
    x = 61,394,909.47/8,949.49
  6. Step 6: Final answer
    x = 6,860.16

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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.