Home / 8,308.36-11,465.12-4,722.84

Finding the Fourth Proportional to 8,308.36, 11,465.12 and 4,722.84

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Solution

The fourth proportional to 8,308.36, 11,465.12 and 4,722.84 is: 6,517.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.36 : 11,465.12 = 4,722.84 : x
  2. Step 2: Convert to fraction form
    8,308.36/11,465.12 = 4,722.84/x
  3. Step 3: Cross multiply
    8,308.36x = 11,465.12 × 4,722.84
  4. Step 4: Simplify right side
    8,308.36x = 54,147,927.34
  5. Step 5: Solve for x
    x = 54,147,927.34/8,308.36
  6. Step 6: Final answer
    x = 6,517.28

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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.