Home / 10,928.70-15,068.16-8,092.08

Finding the Fourth Proportional to 10,928.70, 15,068.16 and 8,092.08

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Solution

The fourth proportional to 10,928.70, 15,068.16 and 8,092.08 is: 11,157.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.70 : 15,068.16 = 8,092.08 : x
  2. Step 2: Convert to fraction form
    10,928.70/15,068.16 = 8,092.08/x
  3. Step 3: Cross multiply
    10,928.70x = 15,068.16 × 8,092.08
  4. Step 4: Simplify right side
    10,928.70x = 121,932,756.17
  5. Step 5: Solve for x
    x = 121,932,756.17/10,928.70
  6. Step 6: Final answer
    x = 11,157.11

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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.