Home / 12,084.09-18,109.27-6,525.46

Finding the Fourth Proportional to 12,084.09, 18,109.27 and 6,525.46

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Solution

The fourth proportional to 12,084.09, 18,109.27 and 6,525.46 is: 9,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084.09 : 18,109.27 = 6,525.46 : x
  2. Step 2: Convert to fraction form
    12,084.09/18,109.27 = 6,525.46/x
  3. Step 3: Cross multiply
    12,084.09x = 18,109.27 × 6,525.46
  4. Step 4: Simplify right side
    12,084.09x = 118,171,347.81
  5. Step 5: Solve for x
    x = 118,171,347.81/12,084.09
  6. Step 6: Final answer
    x = 9,779.09

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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.