Home / 10,961.93-15,128.35-6,484.96

Finding the Fourth Proportional to 10,961.93, 15,128.35 and 6,484.96

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Solution

The fourth proportional to 10,961.93, 15,128.35 and 6,484.96 is: 8,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.93 : 15,128.35 = 6,484.96 : x
  2. Step 2: Convert to fraction form
    10,961.93/15,128.35 = 6,484.96/x
  3. Step 3: Cross multiply
    10,961.93x = 15,128.35 × 6,484.96
  4. Step 4: Simplify right side
    10,961.93x = 98,106,668.97
  5. Step 5: Solve for x
    x = 98,106,668.97/10,961.93
  6. Step 6: Final answer
    x = 8,949.77

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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.