Home / 8,432.46-11,638.84-5,246.12

Finding the Fourth Proportional to 8,432.46, 11,638.84 and 5,246.12

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Solution

The fourth proportional to 8,432.46, 11,638.84 and 5,246.12 is: 7,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,432.46 : 11,638.84 = 5,246.12 : x
  2. Step 2: Convert to fraction form
    8,432.46/11,638.84 = 5,246.12/x
  3. Step 3: Cross multiply
    8,432.46x = 11,638.84 × 5,246.12
  4. Step 4: Simplify right side
    8,432.46x = 61,058,751.30
  5. Step 5: Solve for x
    x = 61,058,751.30/8,432.46
  6. Step 6: Final answer
    x = 7,240.92

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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.