Home / 11,012.04-16,515.90-4,087.08

Finding the Fourth Proportional to 11,012.04, 16,515.90 and 4,087.08

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Solution

The fourth proportional to 11,012.04, 16,515.90 and 4,087.08 is: 6,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.04 : 16,515.90 = 4,087.08 : x
  2. Step 2: Convert to fraction form
    11,012.04/16,515.90 = 4,087.08/x
  3. Step 3: Cross multiply
    11,012.04x = 16,515.90 × 4,087.08
  4. Step 4: Simplify right side
    11,012.04x = 67,501,804.57
  5. Step 5: Solve for x
    x = 67,501,804.57/11,012.04
  6. Step 6: Final answer
    x = 6,129.82

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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.