Home / 6,686.89-9,228.30-3,703.06

Finding the Fourth Proportional to 6,686.89, 9,228.30 and 3,703.06

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Solution

The fourth proportional to 6,686.89, 9,228.30 and 3,703.06 is: 5,110.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.89 : 9,228.30 = 3,703.06 : x
  2. Step 2: Convert to fraction form
    6,686.89/9,228.30 = 3,703.06/x
  3. Step 3: Cross multiply
    6,686.89x = 9,228.30 × 3,703.06
  4. Step 4: Simplify right side
    6,686.89x = 34,172,948.60
  5. Step 5: Solve for x
    x = 34,172,948.60/6,686.89
  6. Step 6: Final answer
    x = 5,110.44

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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.