Home / 7,983.48-11,017.38-4,447.02

Finding the Fourth Proportional to 7,983.48, 11,017.38 and 4,447.02

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Solution

The fourth proportional to 7,983.48, 11,017.38 and 4,447.02 is: 6,136.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.48 : 11,017.38 = 4,447.02 : x
  2. Step 2: Convert to fraction form
    7,983.48/11,017.38 = 4,447.02/x
  3. Step 3: Cross multiply
    7,983.48x = 11,017.38 × 4,447.02
  4. Step 4: Simplify right side
    7,983.48x = 48,994,509.21
  5. Step 5: Solve for x
    x = 48,994,509.21/7,983.48
  6. Step 6: Final answer
    x = 6,136.99

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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.