Home / 8,308.63-11,464.77-4,770.55

Finding the Fourth Proportional to 8,308.63, 11,464.77 and 4,770.55

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Solution

The fourth proportional to 8,308.63, 11,464.77 and 4,770.55 is: 6,582.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.63 : 11,464.77 = 4,770.55 : x
  2. Step 2: Convert to fraction form
    8,308.63/11,464.77 = 4,770.55/x
  3. Step 3: Cross multiply
    8,308.63x = 11,464.77 × 4,770.55
  4. Step 4: Simplify right side
    8,308.63x = 54,693,258.52
  5. Step 5: Solve for x
    x = 54,693,258.52/8,308.63
  6. Step 6: Final answer
    x = 6,582.70

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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.