Home / 8,357.12-11,535.36-4,822.64

Finding the Fourth Proportional to 8,357.12, 11,535.36 and 4,822.64

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Solution

The fourth proportional to 8,357.12, 11,535.36 and 4,822.64 is: 6,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,357.12 : 11,535.36 = 4,822.64 : x
  2. Step 2: Convert to fraction form
    8,357.12/11,535.36 = 4,822.64/x
  3. Step 3: Cross multiply
    8,357.12x = 11,535.36 × 4,822.64
  4. Step 4: Simplify right side
    8,357.12x = 55,630,888.55
  5. Step 5: Solve for x
    x = 55,630,888.55/8,357.12
  6. Step 6: Final answer
    x = 6,656.71

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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.