Home / 7,646.42-11,474.51-3,486.84

Finding the Fourth Proportional to 7,646.42, 11,474.51 and 3,486.84

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Solution

The fourth proportional to 7,646.42, 11,474.51 and 3,486.84 is: 5,232.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.42 : 11,474.51 = 3,486.84 : x
  2. Step 2: Convert to fraction form
    7,646.42/11,474.51 = 3,486.84/x
  3. Step 3: Cross multiply
    7,646.42x = 11,474.51 × 3,486.84
  4. Step 4: Simplify right side
    7,646.42x = 40,009,780.45
  5. Step 5: Solve for x
    x = 40,009,780.45/7,646.42
  6. Step 6: Final answer
    x = 5,232.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.