Home / 7,517.61-11,277.15-2,586.60

Finding the Fourth Proportional to 7,517.61, 11,277.15 and 2,586.60

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Solution

The fourth proportional to 7,517.61, 11,277.15 and 2,586.60 is: 3,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.61 : 11,277.15 = 2,586.60 : x
  2. Step 2: Convert to fraction form
    7,517.61/11,277.15 = 2,586.60/x
  3. Step 3: Cross multiply
    7,517.61x = 11,277.15 × 2,586.60
  4. Step 4: Simplify right side
    7,517.61x = 29,169,476.19
  5. Step 5: Solve for x
    x = 29,169,476.19/7,517.61
  6. Step 6: Final answer
    x = 3,880.15

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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.