Home / 11,492.96-15,858.36-6,778.17

Finding the Fourth Proportional to 11,492.96, 15,858.36 and 6,778.17

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Solution

The fourth proportional to 11,492.96, 15,858.36 and 6,778.17 is: 9,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,492.96 : 15,858.36 = 6,778.17 : x
  2. Step 2: Convert to fraction form
    11,492.96/15,858.36 = 6,778.17/x
  3. Step 3: Cross multiply
    11,492.96x = 15,858.36 × 6,778.17
  4. Step 4: Simplify right side
    11,492.96x = 107,490,660.00
  5. Step 5: Solve for x
    x = 107,490,660.00/11,492.96
  6. Step 6: Final answer
    x = 9,352.74

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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.