Home / 11,862.50-16,370.13-6,557.06

Finding the Fourth Proportional to 11,862.50, 16,370.13 and 6,557.06

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Solution

The fourth proportional to 11,862.50, 16,370.13 and 6,557.06 is: 9,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.50 : 16,370.13 = 6,557.06 : x
  2. Step 2: Convert to fraction form
    11,862.50/16,370.13 = 6,557.06/x
  3. Step 3: Cross multiply
    11,862.50x = 16,370.13 × 6,557.06
  4. Step 4: Simplify right side
    11,862.50x = 107,339,924.62
  5. Step 5: Solve for x
    x = 107,339,924.62/11,862.50
  6. Step 6: Final answer
    x = 9,048.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.