Home / 12,588.02-18,880.82-3,823.02

Finding the Fourth Proportional to 12,588.02, 18,880.82 and 3,823.02

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Solution

The fourth proportional to 12,588.02, 18,880.82 and 3,823.02 is: 5,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.02 : 18,880.82 = 3,823.02 : x
  2. Step 2: Convert to fraction form
    12,588.02/18,880.82 = 3,823.02/x
  3. Step 3: Cross multiply
    12,588.02x = 18,880.82 × 3,823.02
  4. Step 4: Simplify right side
    12,588.02x = 72,181,752.48
  5. Step 5: Solve for x
    x = 72,181,752.48/12,588.02
  6. Step 6: Final answer
    x = 5,734.16

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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.