Home / 11,788.08-16,252.40-9,655.72

Finding the Fourth Proportional to 11,788.08, 16,252.40 and 9,655.72

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Solution

The fourth proportional to 11,788.08, 16,252.40 and 9,655.72 is: 13,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.08 : 16,252.40 = 9,655.72 : x
  2. Step 2: Convert to fraction form
    11,788.08/16,252.40 = 9,655.72/x
  3. Step 3: Cross multiply
    11,788.08x = 16,252.40 × 9,655.72
  4. Step 4: Simplify right side
    11,788.08x = 156,928,623.73
  5. Step 5: Solve for x
    x = 156,928,623.73/11,788.08
  6. Step 6: Final answer
    x = 13,312.48

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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.