Home / 10,638.81-15,958.35-5,956.74

Finding the Fourth Proportional to 10,638.81, 15,958.35 and 5,956.74

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Solution

The fourth proportional to 10,638.81, 15,958.35 and 5,956.74 is: 8,935.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.81 : 15,958.35 = 5,956.74 : x
  2. Step 2: Convert to fraction form
    10,638.81/15,958.35 = 5,956.74/x
  3. Step 3: Cross multiply
    10,638.81x = 15,958.35 × 5,956.74
  4. Step 4: Simplify right side
    10,638.81x = 95,059,741.78
  5. Step 5: Solve for x
    x = 95,059,741.78/10,638.81
  6. Step 6: Final answer
    x = 8,935.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.