Home / 12,032.90-18,043.88-3,711.36

Finding the Fourth Proportional to 12,032.90, 18,043.88 and 3,711.36

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Solution

The fourth proportional to 12,032.90, 18,043.88 and 3,711.36 is: 5,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,032.90 : 18,043.88 = 3,711.36 : x
  2. Step 2: Convert to fraction form
    12,032.90/18,043.88 = 3,711.36/x
  3. Step 3: Cross multiply
    12,032.90x = 18,043.88 × 3,711.36
  4. Step 4: Simplify right side
    12,032.90x = 66,967,334.48
  5. Step 5: Solve for x
    x = 66,967,334.48/12,032.90
  6. Step 6: Final answer
    x = 5,565.35

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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.