Home / 6,708.80-9,247.49-5,290.29

Finding the Fourth Proportional to 6,708.80, 9,247.49 and 5,290.29

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Solution

The fourth proportional to 6,708.80, 9,247.49 and 5,290.29 is: 7,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,708.80 : 9,247.49 = 5,290.29 : x
  2. Step 2: Convert to fraction form
    6,708.80/9,247.49 = 5,290.29/x
  3. Step 3: Cross multiply
    6,708.80x = 9,247.49 × 5,290.29
  4. Step 4: Simplify right side
    6,708.80x = 48,921,903.87
  5. Step 5: Solve for x
    x = 48,921,903.87/6,708.80
  6. Step 6: Final answer
    x = 7,292.20

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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.