Home / 7,949.13-10,970.81-4,805.31

Finding the Fourth Proportional to 7,949.13, 10,970.81 and 4,805.31

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Solution

The fourth proportional to 7,949.13, 10,970.81 and 4,805.31 is: 6,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.13 : 10,970.81 = 4,805.31 : x
  2. Step 2: Convert to fraction form
    7,949.13/10,970.81 = 4,805.31/x
  3. Step 3: Cross multiply
    7,949.13x = 10,970.81 × 4,805.31
  4. Step 4: Simplify right side
    7,949.13x = 52,718,143.00
  5. Step 5: Solve for x
    x = 52,718,143.00/7,949.13
  6. Step 6: Final answer
    x = 6,631.94

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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.