Home / 12,334.10-18,515.55-7,073.30

Finding the Fourth Proportional to 12,334.10, 18,515.55 and 7,073.30

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Solution

The fourth proportional to 12,334.10, 18,515.55 and 7,073.30 is: 10,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,334.10 : 18,515.55 = 7,073.30 : x
  2. Step 2: Convert to fraction form
    12,334.10/18,515.55 = 7,073.30/x
  3. Step 3: Cross multiply
    12,334.10x = 18,515.55 × 7,073.30
  4. Step 4: Simplify right side
    12,334.10x = 130,966,039.82
  5. Step 5: Solve for x
    x = 130,966,039.82/12,334.10
  6. Step 6: Final answer
    x = 10,618.21

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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.