Home / 11,862.35-16,370.12-6,557.32

Finding the Fourth Proportional to 11,862.35, 16,370.12 and 6,557.32

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Solution

The fourth proportional to 11,862.35, 16,370.12 and 6,557.32 is: 9,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,862.35 : 16,370.12 = 6,557.32 : x
  2. Step 2: Convert to fraction form
    11,862.35/16,370.12 = 6,557.32/x
  3. Step 3: Cross multiply
    11,862.35x = 16,370.12 × 6,557.32
  4. Step 4: Simplify right side
    11,862.35x = 107,344,090.75
  5. Step 5: Solve for x
    x = 107,344,090.75/11,862.35
  6. Step 6: Final answer
    x = 9,049.15

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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.