Home / 10,530.41-15,784.67-3,951.18

Finding the Fourth Proportional to 10,530.41, 15,784.67 and 3,951.18

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Solution

The fourth proportional to 10,530.41, 15,784.67 and 3,951.18 is: 5,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.41 : 15,784.67 = 3,951.18 : x
  2. Step 2: Convert to fraction form
    10,530.41/15,784.67 = 3,951.18/x
  3. Step 3: Cross multiply
    10,530.41x = 15,784.67 × 3,951.18
  4. Step 4: Simplify right side
    10,530.41x = 62,368,082.29
  5. Step 5: Solve for x
    x = 62,368,082.29/10,530.41
  6. Step 6: Final answer
    x = 5,922.67

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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.