Home / 7,646.73-11,462.35-5,181.80

Finding the Fourth Proportional to 7,646.73, 11,462.35 and 5,181.80

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Solution

The fourth proportional to 7,646.73, 11,462.35 and 5,181.80 is: 7,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,646.73 : 11,462.35 = 5,181.80 : x
  2. Step 2: Convert to fraction form
    7,646.73/11,462.35 = 5,181.80/x
  3. Step 3: Cross multiply
    7,646.73x = 11,462.35 × 5,181.80
  4. Step 4: Simplify right side
    7,646.73x = 59,395,605.23
  5. Step 5: Solve for x
    x = 59,395,605.23/7,646.73
  6. Step 6: Final answer
    x = 7,767.45

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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.