Home / 12,040.19-16,615.01-6,734.90

Finding the Fourth Proportional to 12,040.19, 16,615.01 and 6,734.90

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Solution

The fourth proportional to 12,040.19, 16,615.01 and 6,734.90 is: 9,293.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,040.19 : 16,615.01 = 6,734.90 : x
  2. Step 2: Convert to fraction form
    12,040.19/16,615.01 = 6,734.90/x
  3. Step 3: Cross multiply
    12,040.19x = 16,615.01 × 6,734.90
  4. Step 4: Simplify right side
    12,040.19x = 111,900,314.10
  5. Step 5: Solve for x
    x = 111,900,314.10/12,040.19
  6. Step 6: Final answer
    x = 9,293.90

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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.