Home / 12,766.08-17,617.20-7,460.76

Finding the Fourth Proportional to 12,766.08, 17,617.20 and 7,460.76

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Solution

The fourth proportional to 12,766.08, 17,617.20 and 7,460.76 is: 10,295.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.08 : 17,617.20 = 7,460.76 : x
  2. Step 2: Convert to fraction form
    12,766.08/17,617.20 = 7,460.76/x
  3. Step 3: Cross multiply
    12,766.08x = 17,617.20 × 7,460.76
  4. Step 4: Simplify right side
    12,766.08x = 131,437,701.07
  5. Step 5: Solve for x
    x = 131,437,701.07/12,766.08
  6. Step 6: Final answer
    x = 10,295.85

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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.