Home / 8,708.02-12,017.26-5,171.24

Finding the Fourth Proportional to 8,708.02, 12,017.26 and 5,171.24

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Solution

The fourth proportional to 8,708.02, 12,017.26 and 5,171.24 is: 7,136.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.02 : 12,017.26 = 5,171.24 : x
  2. Step 2: Convert to fraction form
    8,708.02/12,017.26 = 5,171.24/x
  3. Step 3: Cross multiply
    8,708.02x = 12,017.26 × 5,171.24
  4. Step 4: Simplify right side
    8,708.02x = 62,144,135.60
  5. Step 5: Solve for x
    x = 62,144,135.60/8,708.02
  6. Step 6: Final answer
    x = 7,136.43

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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.