Home / 12,669.16-19,002.30-3,903.34

Finding the Fourth Proportional to 12,669.16, 19,002.30 and 3,903.34

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Solution

The fourth proportional to 12,669.16, 19,002.30 and 3,903.34 is: 5,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.16 : 19,002.30 = 3,903.34 : x
  2. Step 2: Convert to fraction form
    12,669.16/19,002.30 = 3,903.34/x
  3. Step 3: Cross multiply
    12,669.16x = 19,002.30 × 3,903.34
  4. Step 4: Simplify right side
    12,669.16x = 74,172,437.68
  5. Step 5: Solve for x
    x = 74,172,437.68/12,669.16
  6. Step 6: Final answer
    x = 5,854.57

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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.