Home / 11,788.28-16,248.24-10,111.60

Finding the Fourth Proportional to 11,788.28, 16,248.24 and 10,111.60

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Solution

The fourth proportional to 11,788.28, 16,248.24 and 10,111.60 is: 13,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.28 : 16,248.24 = 10,111.60 : x
  2. Step 2: Convert to fraction form
    11,788.28/16,248.24 = 10,111.60/x
  3. Step 3: Cross multiply
    11,788.28x = 16,248.24 × 10,111.60
  4. Step 4: Simplify right side
    11,788.28x = 164,295,703.58
  5. Step 5: Solve for x
    x = 164,295,703.58/11,788.28
  6. Step 6: Final answer
    x = 13,937.21

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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.