Home / 10,919.08-15,068.32-5,951.08

Finding the Fourth Proportional to 10,919.08, 15,068.32 and 5,951.08

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Solution

The fourth proportional to 10,919.08, 15,068.32 and 5,951.08 is: 8,212.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.08 : 15,068.32 = 5,951.08 : x
  2. Step 2: Convert to fraction form
    10,919.08/15,068.32 = 5,951.08/x
  3. Step 3: Cross multiply
    10,919.08x = 15,068.32 × 5,951.08
  4. Step 4: Simplify right side
    10,919.08x = 89,672,777.79
  5. Step 5: Solve for x
    x = 89,672,777.79/10,919.08
  6. Step 6: Final answer
    x = 8,212.48

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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.