Home / 7,954.35-10,971.96-4,886.86

Finding the Fourth Proportional to 7,954.35, 10,971.96 and 4,886.86

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Solution

The fourth proportional to 7,954.35, 10,971.96 and 4,886.86 is: 6,740.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.35 : 10,971.96 = 4,886.86 : x
  2. Step 2: Convert to fraction form
    7,954.35/10,971.96 = 4,886.86/x
  3. Step 3: Cross multiply
    7,954.35x = 10,971.96 × 4,886.86
  4. Step 4: Simplify right side
    7,954.35x = 53,618,405.02
  5. Step 5: Solve for x
    x = 53,618,405.02/7,954.35
  6. Step 6: Final answer
    x = 6,740.77

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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.