Home / 12,341.95-18,515.81-3,577.03

Finding the Fourth Proportional to 12,341.95, 18,515.81 and 3,577.03

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Solution

The fourth proportional to 12,341.95, 18,515.81 and 3,577.03 is: 5,366.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,341.95 : 18,515.81 = 3,577.03 : x
  2. Step 2: Convert to fraction form
    12,341.95/18,515.81 = 3,577.03/x
  3. Step 3: Cross multiply
    12,341.95x = 18,515.81 × 3,577.03
  4. Step 4: Simplify right side
    12,341.95x = 66,231,607.84
  5. Step 5: Solve for x
    x = 66,231,607.84/12,341.95
  6. Step 6: Final answer
    x = 5,366.38

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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.