Home / 8,130.12-11,219.94-4,593.48

Finding the Fourth Proportional to 8,130.12, 11,219.94 and 4,593.48

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Solution

The fourth proportional to 8,130.12, 11,219.94 and 4,593.48 is: 6,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,130.12 : 11,219.94 = 4,593.48 : x
  2. Step 2: Convert to fraction form
    8,130.12/11,219.94 = 4,593.48/x
  3. Step 3: Cross multiply
    8,130.12x = 11,219.94 × 4,593.48
  4. Step 4: Simplify right side
    8,130.12x = 51,538,569.99
  5. Step 5: Solve for x
    x = 51,538,569.99/8,130.12
  6. Step 6: Final answer
    x = 6,339.21

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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.