Home / 12,772.85-17,626.50-7,466.60

Finding the Fourth Proportional to 12,772.85, 17,626.50 and 7,466.60

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Solution

The fourth proportional to 12,772.85, 17,626.50 and 7,466.60 is: 10,303.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,772.85 : 17,626.50 = 7,466.60 : x
  2. Step 2: Convert to fraction form
    12,772.85/17,626.50 = 7,466.60/x
  3. Step 3: Cross multiply
    12,772.85x = 17,626.50 × 7,466.60
  4. Step 4: Simplify right side
    12,772.85x = 131,610,024.90
  5. Step 5: Solve for x
    x = 131,610,024.90/12,772.85
  6. Step 6: Final answer
    x = 10,303.89

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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.