Home / 7,517.50-11,277.02-2,586.49

Finding the Fourth Proportional to 7,517.50, 11,277.02 and 2,586.49

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Solution

The fourth proportional to 7,517.50, 11,277.02 and 2,586.49 is: 3,880.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.50 : 11,277.02 = 2,586.49 : x
  2. Step 2: Convert to fraction form
    7,517.50/11,277.02 = 2,586.49/x
  3. Step 3: Cross multiply
    7,517.50x = 11,277.02 × 2,586.49
  4. Step 4: Simplify right side
    7,517.50x = 29,167,877.73
  5. Step 5: Solve for x
    x = 29,167,877.73/7,517.50
  6. Step 6: Final answer
    x = 3,880.00

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Half scale
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Double scale
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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.