Home / 11,125.08-15,354.36-6,410.88

Finding the Fourth Proportional to 11,125.08, 15,354.36 and 6,410.88

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Solution

The fourth proportional to 11,125.08, 15,354.36 and 6,410.88 is: 8,848.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.08 : 15,354.36 = 6,410.88 : x
  2. Step 2: Convert to fraction form
    11,125.08/15,354.36 = 6,410.88/x
  3. Step 3: Cross multiply
    11,125.08x = 15,354.36 × 6,410.88
  4. Step 4: Simplify right side
    11,125.08x = 98,434,959.44
  5. Step 5: Solve for x
    x = 98,434,959.44/11,125.08
  6. Step 6: Final answer
    x = 8,848.02

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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.