Home / 12,283.11-18,424.65-3,518.04

Finding the Fourth Proportional to 12,283.11, 18,424.65 and 3,518.04

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Solution

The fourth proportional to 12,283.11, 18,424.65 and 3,518.04 is: 5,277.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.11 : 18,424.65 = 3,518.04 : x
  2. Step 2: Convert to fraction form
    12,283.11/18,424.65 = 3,518.04/x
  3. Step 3: Cross multiply
    12,283.11x = 18,424.65 × 3,518.04
  4. Step 4: Simplify right side
    12,283.11x = 64,818,655.69
  5. Step 5: Solve for x
    x = 64,818,655.69/12,283.11
  6. Step 6: Final answer
    x = 5,277.06

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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.