Home / 7,079.14-9,769.49-4,845.70

Finding the Fourth Proportional to 7,079.14, 9,769.49 and 4,845.70

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Solution

The fourth proportional to 7,079.14, 9,769.49 and 4,845.70 is: 6,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079.14 : 9,769.49 = 4,845.70 : x
  2. Step 2: Convert to fraction form
    7,079.14/9,769.49 = 4,845.70/x
  3. Step 3: Cross multiply
    7,079.14x = 9,769.49 × 4,845.70
  4. Step 4: Simplify right side
    7,079.14x = 47,340,017.69
  5. Step 5: Solve for x
    x = 47,340,017.69/7,079.14
  6. Step 6: Final answer
    x = 6,687.26

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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.