Home / 6,712.48-9,263.10-3,728.35

Finding the Fourth Proportional to 6,712.48, 9,263.10 and 3,728.35

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Solution

The fourth proportional to 6,712.48, 9,263.10 and 3,728.35 is: 5,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.48 : 9,263.10 = 3,728.35 : x
  2. Step 2: Convert to fraction form
    6,712.48/9,263.10 = 3,728.35/x
  3. Step 3: Cross multiply
    6,712.48x = 9,263.10 × 3,728.35
  4. Step 4: Simplify right side
    6,712.48x = 34,536,078.89
  5. Step 5: Solve for x
    x = 34,536,078.89/6,712.48
  6. Step 6: Final answer
    x = 5,145.06

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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.