Home / 8,170.42-11,275.50-4,634.32

Finding the Fourth Proportional to 8,170.42, 11,275.50 and 4,634.32

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Solution

The fourth proportional to 8,170.42, 11,275.50 and 4,634.32 is: 6,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.42 : 11,275.50 = 4,634.32 : x
  2. Step 2: Convert to fraction form
    8,170.42/11,275.50 = 4,634.32/x
  3. Step 3: Cross multiply
    8,170.42x = 11,275.50 × 4,634.32
  4. Step 4: Simplify right side
    8,170.42x = 52,254,275.16
  5. Step 5: Solve for x
    x = 52,254,275.16/8,170.42
  6. Step 6: Final answer
    x = 6,395.54

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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.