Home / 12,071.10-18,090.62-6,525.84

Finding the Fourth Proportional to 12,071.10, 18,090.62 and 6,525.84

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Solution

The fourth proportional to 12,071.10, 18,090.62 and 6,525.84 is: 9,780.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.10 : 18,090.62 = 6,525.84 : x
  2. Step 2: Convert to fraction form
    12,071.10/18,090.62 = 6,525.84/x
  3. Step 3: Cross multiply
    12,071.10x = 18,090.62 × 6,525.84
  4. Step 4: Simplify right side
    12,071.10x = 118,056,491.62
  5. Step 5: Solve for x
    x = 118,056,491.62/12,071.10
  6. Step 6: Final answer
    x = 9,780.09

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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.