Home / 10,956.96-15,120.54-6,241.14

Finding the Fourth Proportional to 10,956.96, 15,120.54 and 6,241.14

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Solution

The fourth proportional to 10,956.96, 15,120.54 and 6,241.14 is: 8,612.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.96 : 15,120.54 = 6,241.14 : x
  2. Step 2: Convert to fraction form
    10,956.96/15,120.54 = 6,241.14/x
  3. Step 3: Cross multiply
    10,956.96x = 15,120.54 × 6,241.14
  4. Step 4: Simplify right side
    10,956.96x = 94,369,407.02
  5. Step 5: Solve for x
    x = 94,369,407.02/10,956.96
  6. Step 6: Final answer
    x = 8,612.74

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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.