Home / 8,275.08-11,419.30-4,735.78

Finding the Fourth Proportional to 8,275.08, 11,419.30 and 4,735.78

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Solution

The fourth proportional to 8,275.08, 11,419.30 and 4,735.78 is: 6,535.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,275.08 : 11,419.30 = 4,735.78 : x
  2. Step 2: Convert to fraction form
    8,275.08/11,419.30 = 4,735.78/x
  3. Step 3: Cross multiply
    8,275.08x = 11,419.30 × 4,735.78
  4. Step 4: Simplify right side
    8,275.08x = 54,079,292.55
  5. Step 5: Solve for x
    x = 54,079,292.55/8,275.08
  6. Step 6: Final answer
    x = 6,535.20

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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.