Home / 7,017.80-9,685.25-5,246.33

Finding the Fourth Proportional to 7,017.80, 9,685.25 and 5,246.33

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Solution

The fourth proportional to 7,017.80, 9,685.25 and 5,246.33 is: 7,240.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.80 : 9,685.25 = 5,246.33 : x
  2. Step 2: Convert to fraction form
    7,017.80/9,685.25 = 5,246.33/x
  3. Step 3: Cross multiply
    7,017.80x = 9,685.25 × 5,246.33
  4. Step 4: Simplify right side
    7,017.80x = 50,811,991.40
  5. Step 5: Solve for x
    x = 50,811,991.40/7,017.80
  6. Step 6: Final answer
    x = 7,240.44

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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.