Home / 12,011.06-16,583.46-7,826.60

Finding the Fourth Proportional to 12,011.06, 16,583.46 and 7,826.60

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Solution

The fourth proportional to 12,011.06, 16,583.46 and 7,826.60 is: 10,806.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.06 : 16,583.46 = 7,826.60 : x
  2. Step 2: Convert to fraction form
    12,011.06/16,583.46 = 7,826.60/x
  3. Step 3: Cross multiply
    12,011.06x = 16,583.46 × 7,826.60
  4. Step 4: Simplify right side
    12,011.06x = 129,792,108.04
  5. Step 5: Solve for x
    x = 129,792,108.04/12,011.06
  6. Step 6: Final answer
    x = 10,806.05

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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.