Home / 7,708.23-11,566.40-4,200.75

Finding the Fourth Proportional to 7,708.23, 11,566.40 and 4,200.75

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Solution

The fourth proportional to 7,708.23, 11,566.40 and 4,200.75 is: 6,303.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.23 : 11,566.40 = 4,200.75 : x
  2. Step 2: Convert to fraction form
    7,708.23/11,566.40 = 4,200.75/x
  3. Step 3: Cross multiply
    7,708.23x = 11,566.40 × 4,200.75
  4. Step 4: Simplify right side
    7,708.23x = 48,587,533.80
  5. Step 5: Solve for x
    x = 48,587,533.80/7,708.23
  6. Step 6: Final answer
    x = 6,303.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.