Home / 8,172.10-11,277.75-4,635.46

Finding the Fourth Proportional to 8,172.10, 11,277.75 and 4,635.46

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Solution

The fourth proportional to 8,172.10, 11,277.75 and 4,635.46 is: 6,397.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.10 : 11,277.75 = 4,635.46 : x
  2. Step 2: Convert to fraction form
    8,172.10/11,277.75 = 4,635.46/x
  3. Step 3: Cross multiply
    8,172.10x = 11,277.75 × 4,635.46
  4. Step 4: Simplify right side
    8,172.10x = 52,277,559.02
  5. Step 5: Solve for x
    x = 52,277,559.02/8,172.10
  6. Step 6: Final answer
    x = 6,397.08

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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.